/*
 * svg-editor.js
 *
 * Licensed under the Apache License, Version 2
 *
 * Copyright(c) 2010 Alexis Deveria
 * Copyright(c) 2010 Pavol Rusnak
 * Copyright(c) 2010 Jeff Schiller
 * Copyright(c) 2010 Narendra Sisodiya
 *
 */

(function() { 
	
    if(!window.svgEditor) window.svgEditor = function($) {
        var svgCanvas;
        var Editor = {};
        var is_ready = false;
		
        var defaultPrefs = {
            lang:'en',
            iconsize:'m',
            bkgd_color:'#FFF',
            bkgd_url:'',
            img_save:'embed'
        },
        curPrefs = {},
			
        // Note: Difference between Prefs and Config is that Prefs can be
        // changed in the UI and are stored in the browser, config can not
			
        curConfig = {
            canvas_expansion: 3,
            dimensions: [640,480],
            initFill: {
                color: 'ff0000',  // solid red
                opacity: 0        // transparent
            },
            initStroke: {
                width: 0.5,
                color: '000000',  // solid black
                opacity: 1
            },
            initOpacity: 1,
            imgPath: 'images/',
            langPath: 'locale/',
            extPath: 'extensions/',
            extensions: ['ext-markers.js','ext-connector.js', 'ext-eyedropper.js'],
            initTool: 'select',
            wireframe: false
        },
        uiStrings = {
            "invalidAttrValGiven":"Invalid value given",
            "noContentToFitTo":"No content to fit to",
            "layer":"Layer",
            "dupeLayerName":"There is already a layer named that!",
            "enterUniqueLayerName":"Please enter a unique layer name",
            "enterNewLayerName":"Please enter the new layer name",
            "layerHasThatName":"Layer already has that name",
            "QmoveElemsToLayer":"Move selected elements to layer \"%s\"?",
            "QwantToClear":"Do you want to clear the drawing?\nThis will also erase your undo history!",
            "QwantToOpen":"Do you want to open a new file?\nThis will also erase your undo history!",
            "QerrorsRevertToSource":"There were parsing errors in your SVG source.\nRevert back to original SVG source?",
            "QignoreSourceChanges":"Ignore changes made to SVG source?",
            "featNotSupported":"Feature not supported",
            "enterNewImgURL":"Enter the new image URL",
            "defsFailOnSave": "NOTE: Due to a bug in your browser, this image may appear wrong (missing gradients or elements). It will however appear correct once actually saved.",
            "loadingImage":"Loading image, please wait...",
            "saveFromBrowser": "Select \"Save As...\" in your browser to save this image as a %s file.",
            "noteTheseIssues": "Also note the following issues: ",
            "ok":"OK",
            "cancel":"Cancel",
            "key_up":"Up",
            "key_down":"Down",
            "key_backspace":"Backspace",
            "key_del":"Del"
        };
		
        var curPrefs = {}; //$.extend({}, defaultPrefs);
        var customHandlers = {};
		
        Editor.curConfig = curConfig;
		
        // Store and retrieve preferences
        $.pref = function(key, val) {
            if(val) curPrefs[key] = val;
            key = 'svg-edit-'+key;
            var host = location.hostname,
            onweb = host && host.indexOf('.') != -1,
            store = (val != undefined),
            storage = false;
            // Some FF versions throw security errors here
            try {
                if(window.localStorage) { // && onweb removed so Webkit works locally
                    storage = localStorage;
                }
            } catch(e) {}
            try {
                if(window.globalStorage && onweb) {
                    storage = globalStorage[host];
                }
            } catch(e) {}
			
            if(storage) {
                if(store) storage.setItem(key, val);
                else if (storage.getItem(key)) return storage.getItem(key) + ''; // Convert to string for FF (.value fails in Webkit)
            } else if(window.widget) {
                if(store) widget.setPreferenceForKey(val, key);
                else return widget.preferenceForKey(key);
            } else {
                if(store) {
                    var d = new Date();
                    d.setTime(d.getTime() + 31536000000);
                    val = encodeURIComponent(val);
                    document.cookie = key+'='+val+'; expires='+d.toUTCString();
                } else {
                    var result = document.cookie.match(new RegExp(key + "=([^;]+)"));
                    return result?decodeURIComponent(result[1]):'';
                }
            }
        }
		
        Editor.setConfig = function(opts) {
            $.each(opts, function(key, val) {
                // Only allow prefs defined in defaultPrefs
                if(key in defaultPrefs) {
                    $.pref(key, val);
                }
            });
            $.extend(true, curConfig, opts);
            if(opts.extensions) {
                curConfig.extensions = opts.extensions;
            }

        }
		
        // Extension mechanisms must call setCustomHandlers with two functions: opts.open and opts.save
        // opts.open's responsibilities are:
        // 	- invoke a file chooser dialog in 'open' mode
        //	- let user pick a SVG file
        //	- calls setCanvas.setSvgString() with the string contents of that file
        // opts.save's responsibilities are:
        //	- accept the string contents of the current document
        //	- invoke a file chooser dialog in 'save' mode
        // 	- save the file to location chosen by the user
        Editor.setCustomHandlers = function(opts) {
            if(opts.open) {
                $('#tool_open > input[type="file"]').remove();
                $('#tool_open').show();
                svgCanvas.open = opts.open;
            }
            if(opts.save) {
                show_save_warning = false;
                svgCanvas.bind("saved", opts.save);
            }
            if(opts.pngsave) {
                svgCanvas.bind("exported", opts.pngsave);
            }
            customHandlers = opts;
			
        }
		
        Editor.randomizeIds = function() {
            svgCanvas.randomizeIds(arguments)
        }

        Editor.init = function() {
            (function() {
                // Load config/data from URL if given
                var urldata = $.deparam.querystring(true);
                if(!$.isEmptyObject(urldata)) {
                    if(urldata.dimensions) {
                        urldata.dimensions = urldata.dimensions.split(',');
                    }
					
                    if(urldata.extensions) {
                        urldata.extensions = urldata.extensions.split(',');
                    }
					
                    if(urldata.bkgd_color) {
                        urldata.bkgd_color = '#' + urldata.bkgd_color;
                    }

                    svgEditor.setConfig(urldata);
					
                    var src = urldata.source;
                    var qstr = $.param.querystring();
					
                    if(src) {
                        if(src.indexOf("data:") === 0) {
                            // plusses get replaced by spaces, so re-insert
                            src = src.replace(/ /g, "+");
                            Editor.loadFromDataURI(src);
                        } else {
                            Editor.loadFromString(src);
                        }
                    } else if(qstr.indexOf('paramurl=') !== -1) {
                        // Get paramater URL (use full length of remaining location.href)
                        svgEditor.loadFromURL(qstr.substr(9));
                    } else if(urldata.url) {
                        svgEditor.loadFromURL(urldata.url);
                    }
                }
            })();
			
            var extFunc = function() {
                $.each(curConfig.extensions, function() {
                    $.getScript(curConfig.extPath + this);
                });
            }
			
            // Load extensions
            // Bit of a hack to run extensions in local Opera
            if(window.opera && document.location.protocol === 'file:') {
                setTimeout(extFunc, 1000);
            } else {
                extFunc();
            }
			
            $.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {
                w:24,
                h:24,
                id_match: false,
                no_img: true,
                fallback_path: curConfig.imgPath,
                fallback:{
                    'new_image':'clear.png',
                    'save':'save.png',
                    'open':'open.png',
                    'source':'source.png',
                    'docprops':'document-properties.png',
                    'wireframe':'wireframe.png',
					
                    'undo':'undo.png',
                    'redo':'redo.png',
					
                    'select':'select.png',
                    'select_node':'select_node.png',
                    'pencil':'fhpath.png',
                    'pen':'line.png',
                    'square':'square.png',
                    'rect':'rect.png',
                    'fh_rect':'freehand-square.png',
                    'circle':'circle.png',
                    'ellipse':'ellipse.png',
                    'fh_ellipse':'freehand-circle.png',
                    'path':'path.png',
                    'text':'text.png',
                    'image':'image.png',
                    'zoom':'zoom.png',
					
                    'clone':'clone.png',
                    'node_clone':'node_clone.png',
                    'delete':'delete.png',
                    'node_delete':'node_delete.png',
                    'group':'shape_group.png',
                    'ungroup':'shape_ungroup.png',
                    'move_top':'move_top.png',
                    'move_bottom':'move_bottom.png',
                    'to_path':'to_path.png',
                    'link_controls':'link_controls.png',
                    'reorient':'reorient.png',
					
                    'align_left':'align-left.png',
                    'align_center':'align-center',
                    'align_right':'align-right',
                    'align_top':'align-top',
                    'align_middle':'align-middle',
                    'align_bottom':'align-bottom',
		
                    'go_up':'go-up.png',
                    'go_down':'go-down.png',
		
                    'ok':'save.png',
                    'cancel':'cancel.png',
					
                    'arrow_right':'flyouth.png',
                    'arrow_down':'dropdown.gif'
                },
                placement: {
                    '#logo':'logo',
				
                    '#tool_clear div,#layer_new':'new_image',
                    '#tool_save div':'save',
                    '#tool_export div':'export',
                    '#tool_open div div':'open',
                    '#tool_import div div':'import',
                    '#tool_source':'source',
                    '#tool_docprops > div':'docprops',
                    '#tool_wireframe':'wireframe',
					
                    '#tool_undo':'undo',
                    '#tool_redo':'redo',
					
                    '#tool_select':'select',
                    '#tool_fhpath':'pencil',
                    '#tool_line':'pen',
                    '#tool_rect,#tools_rect_show':'rect',
                    '#tool_square':'square',
                    '#tool_fhrect':'fh_rect',
                    '#tool_ellipse,#tools_ellipse_show':'ellipse',
                    '#tool_circle':'circle',
                    '#tool_fhellipse':'fh_ellipse',
                    '#tool_path':'path',
                    '#tool_text,#layer_rename':'text',
                    '#tool_image':'image',
                    '#tool_zoom':'zoom',
					
                    '#tool_clone,#tool_clone_multi':'clone',
                    '#tool_node_clone':'node_clone',
                    '#layer_delete,#tool_delete,#tool_delete_multi':'delete',
                    '#tool_node_delete':'node_delete',
                    '#tool_add_subpath':'add_subpath',
                    '#tool_openclose_path':'open_path',
                    '#tool_move_top':'move_top',
                    '#tool_move_bottom':'move_bottom',
                    '#tool_topath':'to_path',
                    '#tool_node_link':'link_controls',
                    '#tool_reorient':'reorient',
                    '#tool_group':'group',
                    '#tool_ungroup':'ungroup',
					
                    '#tool_alignleft, #tool_posleft':'align_left',
                    '#tool_aligncenter, #tool_poscenter':'align_center',
                    '#tool_alignright, #tool_posright':'align_right',
                    '#tool_aligntop, #tool_postop':'align_top',
                    '#tool_alignmiddle, #tool_posmiddle':'align_middle',
                    '#tool_alignbottom, #tool_posbottom':'align_bottom',
                    '#cur_position':'align',
					
                    '#linecap_butt,#cur_linecap':'linecap_butt',
                    '#linecap_round':'linecap_round',
                    '#linecap_square':'linecap_square',
					
                    '#linejoin_miter,#cur_linejoin':'linejoin_miter',
                    '#linejoin_round':'linejoin_round',
                    '#linejoin_bevel':'linejoin_bevel',
					
                    '#url_notice':'warning',
					
                    '#layer_up':'go_up',
                    '#layer_down':'go_down',
                    '#layerlist td.layervis':'eye',
					
                    '#tool_source_save,#tool_docprops_save':'ok',
                    '#tool_source_cancel,#tool_docprops_cancel':'cancel',
					
                    '#rwidthLabel, #iwidthLabel':'width',
                    '#rheightLabel, #iheightLabel':'height',
                    '#cornerRadiusLabel span':'c_radius',
                    '#angleLabel':'angle',
                    '#zoomLabel':'zoom',
                    '#tool_fill label': 'fill',
                    '#tool_stroke .icon_label': 'stroke',
                    '#group_opacityLabel': 'opacity',
                    '#blurLabel': 'blur',
                    '#font_sizeLabel': 'fontsize',
					
                    '.flyout_arrow_horiz':'arrow_right',
                    '.dropdown button, #main_button .dropdown':'arrow_down',
                    '#palette .palette_item:first, #fill_bg, #stroke_bg':'no_color'
                },
                resize: {
                    '#logo .svg_icon': 32,
                    '.flyout_arrow_horiz .svg_icon': 5,
                    '.layer_button .svg_icon, #layerlist td.layervis .svg_icon': 14,
                    '.dropdown button .svg_icon': 7,
                    '#main_button .dropdown .svg_icon': 9,
                    '.palette_item:first .svg_icon, #fill_bg .svg_icon, #stroke_bg .svg_icon': 16,
                    '.toolbar_button button .svg_icon':16,
                    '.stroke_tool div div .svg_icon': 20,
                    '#tools_bottom label .svg_icon': 18
                },
                callback: function(icons) {
                    $('.toolbar_button button > svg, .toolbar_button button > img').each(function() {
                        $(this).parent().prepend(this);
                    });
					
                    // Use small icons by default if not all left tools are visible
                    var tleft = $('#tools_left');
                    var min_height = tleft.offset().top + tleft.outerHeight();
                    var size = $.pref('iconsize');
                    if(size && size != 'm') {
                        svgEditor.setIconSize(size);
                    } else if($(window).height() < min_height) {
                        // Make smaller
                        svgEditor.setIconSize('s');
                    }
					
                    // Look for any missing flyout icons from plugins
                    $('.tools_flyout').each(function() {
                        var shower = $('#' + this.id + '_show');
                        var sel = shower.attr('data-curopt');
                        // Check if there's an icon here
                        if(!shower.children('svg, img').length) {
                            var clone = $(sel).children().clone();
                            shower.append(clone);
                        }
                        if(window.opera) shower.children().removeAttr('style');
                    });
					
                    svgEditor.runCallbacks();
                }
            });

            Editor.canvas = svgCanvas = new $.SvgCanvas(document.getElementById("svgcanvas"), curConfig);
			
            var palette = ["#000000", "#3f3f3f", "#7f7f7f", "#bfbfbf", "#ffffff",
            "#ff0000", "#ff7f00", "#ffff00", "#7fff00",
            "#00ff00", "#00ff7f", "#00ffff", "#007fff",
            "#0000ff", "#7f00ff", "#ff00ff", "#ff007f",
            "#7f0000", "#7f3f00", "#7f7f00", "#3f7f00",
            "#007f00", "#007f3f", "#007f7f", "#003f7f",
            "#00007f", "#3f007f", "#7f007f", "#7f003f",
            "#ffaaaa", "#ffd4aa", "#ffffaa", "#d4ffaa",
            "#aaffaa", "#aaffd4", "#aaffff", "#aad4ff",
            "#aaaaff", "#d4aaff", "#ffaaff", "#ffaad4",
            ];
	
            isMac = false, //(navigator.platform.indexOf("Mac") != -1);
            modKey = "", //(isMac ? "meta+" : "ctrl+");
            path = svgCanvas.pathActions,
            undoMgr = svgCanvas.undoMgr,
            Utils = svgCanvas.Utils,
            default_img_url = curConfig.imgPath + "logo.png",
            workarea = $("#workarea"),
            show_save_warning = false,
            exportWindow = null;

            // This sets up alternative dialog boxes. They mostly work the same way as
            // their UI counterparts, expect instead of returning the result, a callback
            // needs to be included that returns the result as its first parameter.
            // In the future we may want to add additional types of dialog boxes, since
            // they should be easy to handle this way.
            (function() {
                $('#dialog_container').draggable({
                    cancel:'#dialog_content, #dialog_buttons *'
                });
                var box = $('#dialog_box'), btn_holder = $('#dialog_buttons');
				
                var dbox = function(type, msg, callback, defText) {
                    $('#dialog_content').html('<p>'+msg.replace(/\n/g,'</p><p>')+'</p>')
                    .toggleClass('prompt',(type=='prompt'));
                    btn_holder.empty();
					
                    var ok = $('<input type="button" value="' + uiStrings.ok + '">').appendTo(btn_holder);
				
                    if(type != 'alert') {
                        $('<input type="button" value="' + uiStrings.cancel + '">')
                        .appendTo(btn_holder)
                        .click(function() {
                            box.hide();
                            callback(false)
                            });
                    }
					
                    if(type == 'prompt') {
                        var input = $('<input type="text">').prependTo(btn_holder);
                        input.val(defText || '');
                        input.bind('keydown', 'return', function() {
                            ok.click();
                        });
                    }
					
                    if(type == 'process') {
                        ok.hide();
                    }
		
                    box.show();
					
                    ok.click(function() {
                        box.hide();
                        var resp = (type == 'prompt')?input.val():true;
                        if(callback) callback(resp);
                    }).focus();
					
                    if(type == 'prompt') input.focus();
                }
				
                $.alert = function(msg, cb) {
                    dbox('alert', msg, cb);
                };
                $.confirm = function(msg, cb) {
                    dbox('confirm', msg, cb);
                };
                $.process_cancel = function(msg, cb) {
                    dbox('process', msg, cb);
                };
                $.prompt = function(msg, txt, cb) {
                    dbox('prompt', msg, cb, txt);
                };
            }());
			
            var setSelectMode = function() {
                $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
                $('#tool_select').addClass('tool_button_current').removeClass('tool_button');
                $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
                svgCanvas.setMode('select');
            };
			
            var togglePathEditMode = function(editmode, elems) {
                $('#path_node_panel').toggle(editmode);
                $('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
                if(editmode) {
                    // Change select icon
                    $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
                    $('#tool_select').addClass('tool_button_current').removeClass('tool_button');
                    setIcon('#tool_select', 'select_node');
                    multiselected = false;
                    if(elems.length) {
                        selectedElement = elems[0];
                    }
                } else {
                    setIcon('#tool_select', 'select');
                }
            }
		
            // used to make the flyouts stay on the screen longer the very first time
            var flyoutspeed = 1250;
            var textBeingEntered = false;
            var selectedElement = null;
            var multiselected = false;
            var editingsource = false;
            var docprops = false;
			
            var fillPaint = new $.jGraduate.Paint({
                solidColor: curConfig.initFill.color
                });
            var strokePaint = new $.jGraduate.Paint({
                solidColor: curConfig.initStroke.color
                });
		
            var saveHandler = function(window,svg) {
                show_save_warning = false;
			
                // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
                // can just provide their own custom save handler and might not want the XML prolog
                svg = '<?xml version="1.0"?>\n' + svg;
                svg = readHeader(svg);
                // Opens the SVG in new window, with warning about Mozilla bug #308590 when applicable
				
                var win = window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
				
                // Alert will only appear the first time saved OR the first time the bug is encountered
                var done = $.pref('save_notice_done');
                if(done !== "all") {
		
                    var note = uiStrings.saveFromBrowser.replace('%s', 'SVG');
					
                    // Check if FF and has <defs/>
                    if(navigator.userAgent.indexOf('Gecko/') !== -1) {
                        if(svg.indexOf('<defs') !== -1) {
                            note += "\n\n" + uiStrings.defsFailOnSave;
                            $.pref('save_notice_done', 'all');
                            done = "all";
                        } else {
                            $.pref('save_notice_done', 'part');
                        }
                    } else {
                        $.pref('save_notice_done', 'all');
                    }
					
                    if(done !== 'part') {
                        win.alert(note);
                    }
                }
            };
			
            var exportHandler = function(window, data) {
                var issues = data.issues;
				
                if(!$('#export_canvas').length) {
                    $('<canvas>', {
                        id: 'export_canvas'
                    }).hide().appendTo('body');
                }
                var c = $('#export_canvas')[0];
				
                c.width = svgCanvas.contentW;
                c.height = svgCanvas.contentH;
                canvg(c, data.svg);
                var datauri = c.toDataURL('image/png');
                exportWindow.location.href = datauri;
				
                var done = $.pref('export_notice_done');
                if(done !== "all") {
                    var note = uiStrings.saveFromBrowser.replace('%s', 'PNG');
					
                    // Check if there's issues
                    if(issues.length) {
                        var pre = "\n \u2022 ";
                        note += ("\n\n" + uiStrings.noteTheseIssues + pre + issues.join(pre));
                    }
					
                    // Note that this will also prevent the notice even though new issues may appear later.
                    // May want to find a way to deal with that without annoying the user
                    $.pref('export_notice_done', 'all');
                    exportWindow.alert(note);
                }
            };
			
            // called when we've selected a different element
            var selectedChanged = function(window,elems) {
                var mode = svgCanvas.getMode();
                var is_node = (mode == "pathedit");
                // if elems[1] is present, then we have more than one element
                selectedElement = (elems.length == 1 || elems[1] == null ? elems[0] : null);
                multiselected = (elems.length >= 2 && elems[1] != null);
                if (selectedElement != null) {
                    // unless we're already in always set the mode of the editor to select because
                    // upon creation of a text element the editor is switched into
                    // select mode and this event fires - we need our UI to be in sync
					
                    if (mode != "multiselect" && !is_node) {
                        setSelectMode();
                        updateToolbar();
                    }
					
                } // if (elem != null)
		
                // Deal with pathedit mode
                togglePathEditMode(is_node, elems);
                updateContextPanel();
                svgCanvas.runExtensions("selectedChanged", {
                    elems: elems,
                    selectedElement: selectedElement,
                    multiselected: multiselected
                });
            };
		
            // called when any element has changed
            var elementChanged = function(window,elems) {
                for (var i = 0; i < elems.length; ++i) {
                    var elem = elems[i];
					
                    // if the element changed was the svg, then it could be a resolution change
                    if (elem && elem.tagName == "svg") {
                        populateLayers();
                        updateCanvas();
                    }
                    // Update selectedElement if element is no longer part of the image.
                    // This occurs for the text elements in Firefox
                    else if(elem && selectedElement && selectedElement.parentNode == null) {
                        // 						|| elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
                        selectedElement = elem;
                    }
                }
				
                show_save_warning = true;
		
                // we update the contextual panel with potentially new
                // positional/sizing information (we DON'T want to update the
                // toolbar here as that creates an infinite loop)
                // also this updates the history buttons
		
                // we tell it to skip focusing the text control if the
                // text element was previously in focus
                updateContextPanel();
				
                svgCanvas.runExtensions("elementChanged", {
                    elems: elems
                });
            };
			
            var zoomChanged = function(window, bbox, autoCenter) {
                var scrbar = 15,
                res = svgCanvas.getResolution(),
                w_area = workarea,
                canvas_pos = $('#svgcanvas').position();
                w_area.css('cursor','auto');
                var z_info = svgCanvas.setBBoxZoom(bbox, w_area.width()-scrbar, w_area.height()-scrbar);
                if(!z_info) return;
                var zoomlevel = z_info.zoom,
                bb = z_info.bbox;
                $('#zoom').val(Math.round(zoomlevel*100));
				
                if(autoCenter) {
                    updateCanvas();
                } else {
                    updateCanvas(false, {
                        x: bb.x * zoomlevel + (bb.width * zoomlevel)/2,
                        y: bb.y * zoomlevel + (bb.height * zoomlevel)/2
                        });
                }
		
                if(svgCanvas.getMode() == 'zoom' && bb.width) {
                    // Go to select if a zoom box was drawn
                    setSelectMode();
                }
                zoomDone();
            }
			
            var flyout_funcs = {};
			
            var setupFlyouts = function(holders) {
                $.each(holders, function(hold_sel, btn_opts) {
                    var buttons = $(hold_sel).children();
                    var show_sel = hold_sel + '_show';
                    var def = false;
                    buttons.addClass('tool_button')
                    .unbind('click mousedown mouseup') // may not be necessary
                    .each(function(i) {
                        // Get this buttons options
                        var opts = btn_opts[i];
							
                        // Remember the function that goes with this ID
                        flyout_funcs[opts.sel] = opts.fn;
		
                        if(opts.isDefault) def = i;
							
                        // Clicking the icon in flyout should set this set's icon
							
                        var func = function() {
                            if($(this).hasClass('disabled')) return false;
                            if (toolButtonClick(show_sel)) {
                                opts.fn();
                            }
                            if(opts.icon) {
                                var icon = $.getSvgIcon(opts.icon).clone();
                            } else {
                                //
                                var icon = $(opts.sel).children().eq(0).clone();
                            }
								
                            var shower = $(show_sel);
                            icon[0].setAttribute('width',shower.width());
                            icon[0].setAttribute('height',shower.height());
                            shower.children(':not(.flyout_arrow_horiz)').remove();
                            shower.append(icon).attr('data-curopt', opts.sel); // This sets the current mode
                        }
							
                        $(this).mouseup(func);
							
                        if(opts.key) {
                            $(document).bind('keydown', opts.key+'', func);
                        }
                    });
					
                    if(def) {
                        $(show_sel).attr('data-curopt', btn_opts[def].sel);
                    } else if(!$(show_sel).attr('data-curopt')) {
                        // Set first as default
                        $(show_sel).attr('data-curopt', btn_opts[0].sel);
                    }
					
                    var timer;
					
                    // Clicking the "show" icon should set the current mode
                    $(show_sel).mousedown(function(evt) {
                        if($(show_sel).hasClass('disabled')) return false;
                        var holder = $(show_sel.replace('_show',''));
                        var l = holder.css('left');
                        var w = holder.width()*-1;
                        var time = holder.data('shown_popop')?200:0;
                        timer = setTimeout(function() {
                            // Show corresponding menu
                            holder.css('left', w).show().animate({
                                left: l
                            },150);
                            holder.data('shown_popop',true);
                        },time);
                        evt.preventDefault();
                    }).mouseup(function() {
                        clearTimeout(timer);
                        var opt = $(this).attr('data-curopt');
                        if (toolButtonClick(show_sel)) {
                            flyout_funcs[opt]();
                        }
                    });
					
                    // 	$('#tools_rect').mouseleave(function(){$('#tools_rect').fadeOut();});
					
                    var pos = $(show_sel).position();
                    $(hold_sel).css({
                        'left': pos.left+34,
                        'top': pos.top+77
                        });
                });
				
                setFlyoutTitles();
            }
			
            var makeFlyoutHolder = function(id, child) {
                var div = $('<div>',{
                    'class': 'tools_flyout',
                    id: id
                }).appendTo('#svg_editor').append(child);
				
                return div;
            }
			
            var setFlyoutPositions = function() {
                $('.tools_flyout').each(function() {
                    var shower = $('#' + this.id + '_show');
                    var pos = shower.offset();
                    var w = shower.outerWidth();
                    $(this).css({
                        left: pos.left + w,
                        top: pos.top
                        });
                });
            }
			
            var setFlyoutTitles = function() {
                $('.tools_flyout').each(function() {
                    var shower = $('#' + this.id + '_show');
                    var tooltips = [];
                    $(this).children().each(function() {
                        tooltips.push(this.title);
                    });
                    shower[0].title = tooltips.join(' / ');
                });
            }
			
            var extAdded = function(window, ext) {
		
                var cb_called = false;
				
                var runCallback = function() {
                    if(ext.callback && !cb_called) {
                        cb_called = true;
                        ext.callback();
                    }
                }
		
                var btn_selects = [];
		
                if(ext.context_tools) {
                    $.each(ext.context_tools, function(i, tool) {
                        // Add select tool
                        var cont_id = tool.container_id?(' id="' + tool.container_id + '"'):"";
						
                        var panel = $('#' + tool.panel);
						
                        // create the panel if it doesn't exist
                        if(!panel.length)
                            panel = $('<div>', {
                                id: tool.panel
                                }).appendTo("#tools_top");
						
                        // TODO: Allow support for other types, or adding to existing tool
                        switch (tool.type) {
                            case 'tool_button':
                                var html = '<div class="tool_button">' + tool.id + '</div>';
                                var div = $(html).appendTo(panel);
                                if (tool.events) {
                                    $.each(tool.events, function(evt, func) {
                                        $(div).bind(evt, func);
                                    });
                                }
                                break;
                            case 'select':
                                var html = '<label' + cont_id + '>'
                                + '<select id="' + tool.id + '">';
                                $.each(tool.options, function(val, text) {
                                    var sel = (val == tool.defval) ? " selected":"";
                                    html += '<option value="'+val+'"' + sel + '>' + text + '</option>';
                                });
                                html += "</select></label>";
                                // Creates the tool, hides & adds it, returns the select element
                                var sel = $(html).appendTo(panel).find('select');
							
                                $.each(tool.events, function(evt, func) {
                                    $(sel).bind(evt, func);
                                });
                                break;
                            case 'button-select':
                                var html = '<div id="' + tool.id + '" class="dropdown toolset" title="' + tool.title + '">'
                                + '<div id="cur_' + tool.id + '" class="icon_label"></div><button></button></div>';
							
                                var list = $('<ul id="' + tool.id + '_opts"></ul>').appendTo('#option_lists');
							
                                if(tool.colnum) {
                                    list.addClass('optcols' + tool.colnum);
                                }
							
                                // Creates the tool, hides & adds it, returns the select element
                                var dropdown = $(html).appendTo(panel).children();
							
                                btn_selects.push({
                                    elem: ('#' + tool.id),
                                    list: ('#' + tool.id + '_opts'),
                                    title: tool.title,
                                    callback: tool.events.change,
                                    cur: ('#cur_' + tool.id)
                                });

                                break;
                            case 'input':
                                var html = '<label' + cont_id + '>'
                                + '<span id="' + tool.id + '_label">'
                                + tool.label + ':</span>'
                                + '<input id="' + tool.id + '" title="' + tool.title
                                + '" size="' + (tool.size || "4") + '" value="' + (tool.defval || "") + '" type="text"/></label>'
								
                                // Creates the tool, hides & adds it, returns the select element
							
                                // Add to given tool.panel
                                var inp = $(html).appendTo(panel).find('input');
							
                                if(tool.spindata) {
                                    inp.SpinButton(tool.spindata);
                                }
							
                                if(tool.events) {
                                    $.each(tool.events, function(evt, func) {
                                        inp.bind(evt, func);
                                    });
                                }
                                break;
							
                            default:
                                break;
                        }
                    });
                }
				
                if(ext.buttons) {
                    var fallback_obj = {},
                    placement_obj = {},
                    svgicons = ext.svgicons;
                    var holders = {};
					
				
                    // Add buttons given by extension
                    $.each(ext.buttons, function(i, btn) {
                        var icon;
                        var id = btn.id;
                        var num = i;
						
                        // Give button a unique ID
                        while($('#'+id).length) {
                            id = btn.id + '_' + (++num);
                        }
		
                        if(!svgicons) {
                            icon = $('<img src="' + btn.icon + '">');
                        } else {
                            fallback_obj[id] = btn.icon;
                            var svgicon = btn.svgicon?btn.svgicon:btn.id;
                            placement_obj['#' + id] = svgicon;
                        }
						
                        var cls, parent;
						
                        // Set button up according to its type
                        switch ( btn.type ) {
                            case 'mode':
                                cls = 'tool_button';
                                parent = "#tools_left";
                                break;
                            case 'context':
                                cls = 'tool_button';
                                parent = "#" + btn.panel;
                                // create the panel if it doesn't exist
                                if(!$(parent).length)
                                    $('<div>', {
                                        id: btn.panel
                                        }).appendTo("#tools_top");
                                break;
                        }
						
                        var button = $(btn.list?'<li/>':'<div/>')
                        .attr("id", id)
                        .attr("title", btn.title)
                        .addClass(cls);
                        if(!btn.includeWith && !btn.list) {
                            button.appendTo(parent);
                        } else if(btn.list) {
                            // Add button to list
                            button.addClass('push_button');
                            $('#' + btn.list + '_opts').append(button);
                            if(btn.isDefault) {
                                $('#cur_' + btn.list).append(button.children().clone());
                                var svgicon = btn.svgicon?btn.svgicon:btn.id;
                                placement_obj['#cur_' + btn.list] = svgicon;
                            }
                        } else if(btn.includeWith) {
                            // Add to flyout menu / make flyout menu
                            var opts = btn.includeWith;
                            // opts.button, default, position
                            var ref_btn = $(opts.button);
							
                            var flyout_holder = ref_btn.parent();
                            // Create a flyout menu if there isn't one already
                            if(!ref_btn.parent().hasClass('tools_flyout')) {
                                // Create flyout placeholder
                                var arr_div = $('<div>',{
                                    id:'flyout_arrow_horiz'
                                })
								
                                var tls_id = ref_btn[0].id.replace('tool_','tools_')
                                var show_btn = ref_btn.clone()
                                .attr('id',tls_id + '_show')
                                .append($('<div>',{
                                    'class':'flyout_arrow_horiz'
                                }));
									
                                ref_btn.before(show_btn);
							
                                // Create a flyout div
                                flyout_holder = makeFlyoutHolder(tls_id, ref_btn);
                            }
							
                            var ref_data = Actions.getButtonData(opts.button);
							
                            if(opts.isDefault) {
                                placement_obj['#' + tls_id + '_show'] = btn.id;
                            }
                            // TODO: Find way to set the current icon using the iconloader if this is not default
							
                            // Include data for extension button as well as ref button
                            var cur_h = holders['#'+flyout_holder[0].id] = [{
                                sel: '#'+id,
                                fn: btn.events.click,
                                icon: btn.id,
                                key: btn.key,
                                isDefault: btn.includeWith?btn.includeWith.isDefault:0
                            }, ref_data];
							
                            // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
								
                            var pos  = ("position" in opts)?opts.position:'last';
                            var len = flyout_holder.children().length;
							
                            // Add at given position or end
                            if(!isNaN(pos) && pos >= 0 && pos < len) {
                                flyout_holder.children().eq(pos).before(button);
                            } else {
                                flyout_holder.append(button);
                                cur_h.reverse();
                            }
                        }
						
                        if(!svgicons) {
                            button.append(icon);
                        }
						
                        if(!btn.list) {
                            // Add given events to button
                            $.each(btn.events, function(name, func) {
                                if(name == "click") {
                                    if(btn.type == 'mode') {
                                        if(btn.includeWith) {
                                            button.bind(name, func);
                                        } else {
                                            button.bind(name, function() {
                                                if(toolButtonClick(button)) {
                                                    func();
                                                }
                                            });
                                        }
                                        if(btn.key) {
                                            $(document).bind('keydown', btn.key, func);
                                            if(btn.title) button.attr("title", btn.title + ' ['+btn.key+']');
                                        }
                                    } else {
                                        button.bind(name, func);
                                    }
                                } else {
                                    button.bind(name, func);
                                }
                            });
                        }
						
                        setupFlyouts(holders);
                    });
					
                    $.each(btn_selects, function() {
                        addAltDropDown(this.elem, this.list, this.callback, {
                            seticon: true
                        });
                    });

					
                    $.svgIcons(svgicons, {
                        w:24,
                        h:24,
                        id_match: false,
                        no_img: true,
                        fallback: fallback_obj,
                        placement: placement_obj,
                        callback: function(icons) {
                            // Non-ideal hack to make the icon match the current size
                            if(curPrefs.iconsize && curPrefs.iconsize != 'm') {
                                setIconSize(curPrefs.iconsize, true);
                            }
                            runCallback();
                        }
				
                    });
                }
				
                runCallback();
            };
			
            var getPaint = function(color, opac) {
                // update the editor's fill paint
                var opts = null;
                if (color.substr(0,5) == "url(#") {
                    var grad = document.getElementById(color.substr(5,color.length-6));
                    opts = {
                        alpha: opac
                    };
                    opts[grad.tagName] = grad;
                }
                else if (color.substr(0,1) == "#") {
                    opts = {
                        alpha: opac,
                        solidColor: color.substr(1)
                    };
                }
                else {
                    opts = {
                        alpha: opac,
                        solidColor: 'none'
                    };
                }
                return new $.jGraduate.Paint(opts);
            };
		
            // updates the toolbar (colors, opacity, etc) based on the selected element
            // This function also updates the opacity and id elements that are in the context panel
            var updateToolbar = function() {
                if (selectedElement != null && $.inArray(selectedElement.tagName, ['image', 'foreignObject', 'g', 'a']) === -1) {
                    // get opacity values
                    var fillOpacity = parseFloat(selectedElement.getAttribute("fill-opacity"));
                    if (isNaN(fillOpacity)) {
                        fillOpacity = 1.0;
                    }
					
                    var strokeOpacity = parseFloat(selectedElement.getAttribute("stroke-opacity"));
                    if (isNaN(strokeOpacity)) {
                        strokeOpacity = 1.0;
                    }
		
                    // update fill color and opacity
                    var fillColor = selectedElement.getAttribute("fill")||"black";
                    // prevent undo on these canvas changes
                    svgCanvas.setColor('fill', fillColor, true);
                    svgCanvas.setPaintOpacity('fill', fillOpacity, true);
		
                    // update stroke color and opacity
                    var strokeColor = selectedElement.getAttribute("stroke")||"none";
                    // prevent undo on these canvas changes
                    svgCanvas.setColor('stroke', strokeColor, true);
                    svgCanvas.setPaintOpacity('stroke', strokeOpacity, true);
		
                    // update the rect inside #fill_color
                    $("#stroke_color rect").attr({
                        fill: strokeColor,
                        opacity: strokeOpacity
                    });

                    // update the rect inside #fill_color
                    $("#fill_color rect").attr({
                        fill: fillColor,
                        opacity: fillOpacity
                    });
		
                    fillOpacity *= 100;
                    strokeOpacity *= 100;
					
                    fillPaint = getPaint(fillColor, fillOpacity);
                    strokePaint = getPaint(strokeColor, strokeOpacity);
					
                    fillOpacity = fillOpacity + " %";
                    strokeOpacity = strokeOpacity + " %";
		
                    // update fill color
                    if (fillColor == "none") {
                        fillOpacity = "N/A";
                    }
                    if (strokeColor == null || strokeColor == "" || strokeColor == "none") {
                        strokeColor = "none";
                        strokeOpacity = "N/A";
                    }
					
                    $('#stroke_width').val(selectedElement.getAttribute("stroke-width")||1);
                    $('#stroke_style').val(selectedElement.getAttribute("stroke-dasharray")||"none");

                    var attr = selectedElement.getAttribute("stroke-linejoin") || 'miter';
					
                    setStrokeOpt($('#linejoin_' + attr)[0]);
					
                    attr = selectedElement.getAttribute("stroke-linecap") || 'butt';
					
                    setStrokeOpt($('#linecap_' + attr)[0]);

                }
				
                // All elements including image and group have opacity
                if(selectedElement != null) {
                    var opac_perc = ((selectedElement.getAttribute("opacity")||1.0)*100);
                    $('#group_opacity').val(opac_perc);
                    $('#opac_slider').slider('option', 'value', opac_perc);
                    $('#elem_id').val(selectedElement.id);
                }
				
                updateToolButtonState();
            };
		
            // updates the context panel tools based on the selected element
            var updateContextPanel = function() {
                var elem = selectedElement;
                // If element has just been deleted, consider it null
                if(elem != null && !elem.parentNode) elem = null;
                var currentLayer = svgCanvas.getCurrentLayer();
                var currentMode = svgCanvas.getMode();
                // No need to update anything else in rotate mode
                if (currentMode == 'rotate' && elem != null) {
                    var ang = svgCanvas.getRotationAngle(elem);
                    $('#angle').val(ang);
                    $('#tool_reorient').toggleClass('disabled', ang == 0);
                    return;
                }
                var is_node = currentMode == 'pathedit'; //elem ? (elem.id && elem.id.indexOf('pathpointgrip') == 0) : false;
                $('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,\
					#ellipse_panel, #line_panel, #text_panel, #image_panel').hide();
                if (elem != null) {
                    var elname = elem.nodeName;
					
                    // If this is a link with no transform and one child, pretend
                    // its child is selected
                    // 					console.log('go', elem)
                    // 					if(elname === 'a') { // && !$(elem).attr('transform')) {
                    // 						elem = elem.firstChild;
                    // 					}

					
                    var angle = svgCanvas.getRotationAngle(elem);
                    $('#angle').val(angle);
					
                    var blurval = svgCanvas.getBlur(elem);
                    $('#blur').val(blurval);
                    $('#blur_slider').slider('option', 'value', blurval);
					
                    if(svgCanvas.addedNew) {
                        if(elname == 'image') {
                            var xlinkNS = "http://www.w3.org/1999/xlink";
                            var href = elem.getAttributeNS(xlinkNS, "href");
                            // Prompt for URL if not a data URL
                            if(href.indexOf('data:') !== 0) {
                                promptImgURL();
                            }
                        } else if(elname == 'text') {
                    // TODO: Do something here for new text
                    }
                    }
					
                    if(!is_node && currentMode != 'pathedit') {
                        $('#selected_panel').show();
                        // Elements in this array already have coord fields
                        if($.inArray(elname, ['line', 'circle', 'ellipse']) != -1) {
                            $('#xy_panel').hide();
                        } else {
                            var x,y;
                            // Get BBox vals for g, polyline and path
                            if($.inArray(elname, ['g', 'polyline', 'path']) != -1) {
                                var bb = svgCanvas.getStrokedBBox([elem]);
                                if(bb) {
                                    x = bb.x;
                                    y = bb.y;
                                }
                            } else {
                                x = elem.getAttribute('x');
                                y = elem.getAttribute('y');
                            }
                            $('#selected_x').val(x || 0);
                            $('#selected_y').val(y || 0);
                            $('#xy_panel').show();
                        }
						
                        // Elements in this array cannot be converted to a path
                        var no_path = $.inArray(elname, ['image', 'text', 'path', 'g', 'use']) == -1;
                        $('#tool_topath').toggle(no_path);
                        $('#tool_reorient').toggle(elname == 'path');
                        $('#tool_reorient').toggleClass('disabled', angle == 0);
                    } else {
                        var point = path.getNodePoint();
                        $('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
                        $('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
						
                        // Show open/close button based on selected point
                        setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');
						
                        if(point) {
                            var seg_type = $('#seg_type');
                            $('#path_node_x').val(point.x);
                            $('#path_node_y').val(point.y);
                            if(point.type) {
                                seg_type.val(point.type).removeAttr('disabled');
                            } else {
                                seg_type.val(4).attr('disabled','disabled');
                            }
                        }
                        return;
                    }
					
                    // update contextual tools here
                    var panels = {
                        g: [],
                        rect: ['rx','width','height'],
                        image: ['width','height'],
                        circle: ['cx','cy','r'],
                        ellipse: ['cx','cy','rx','ry'],
                        line: ['x1','y1','x2','y2'],
                        text: []
                    };
					
                    var el_name = elem.tagName;
					
                    if(panels[el_name]) {
                        var cur_panel = panels[el_name];
						
						
                        $('#' + el_name + '_panel').show();
			
                        $.each(cur_panel, function(i, item) {
                            $('#' + el_name + '_' + item).val(elem.getAttribute(item) || 0);
                        });
						
                        if(el_name == 'text') {
                            $('#text_panel').css("display", "inline");
                            if (svgCanvas.getItalic()) {
                                $('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');
                            }
                            else {
                                $('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');
                            }
                            if (svgCanvas.getBold()) {
                                $('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');
                            }
                            else {
                                $('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');
                            }
                            $('#font_family').val(elem.getAttribute("font-family"));
                            $('#font_size').val(elem.getAttribute("font-size"));
                            $('#text').val(elem.textContent);
                            if (svgCanvas.addedNew) {
                                $('#text').focus().select();
                            }
                        } // text
                        else if(el_name == 'image') {
                            var xlinkNS="http://www.w3.org/1999/xlink";
                            var href = elem.getAttributeNS(xlinkNS, "href");
                            setImageURL(href);
                        } // image
                    }
                } // if (elem != null)
                else if (multiselected) {
                    $('#multiselected_panel').show();
                }
				
                // update history buttons
                if (undoMgr.getUndoStackSize() > 0) {
                    $('#tool_undo').removeClass( 'disabled');
                }
                else {
                    $('#tool_undo').addClass( 'disabled');
                }
                if (undoMgr.getRedoStackSize() > 0) {
                    $('#tool_redo').removeClass( 'disabled');
                }
                else {
                    $('#tool_redo').addClass( 'disabled');
                }
				
                svgCanvas.addedNew = false;
		
                if ( (elem && !is_node)	|| multiselected) {
                    // update the selected elements' layer
                    $('#selLayerNames').removeAttr('disabled').val(currentLayer);
                }
                else {
                    $('#selLayerNames').attr('disabled', 'disabled');
                }
            };
		
            $('#text').focus( function(){
                textBeingEntered = true;
            } );
            $('#text').blur( function(){
                textBeingEntered = false;
            } );
		  
            // bind the selected event to our function that handles updates to the UI
            svgCanvas.bind("selected", selectedChanged);
            svgCanvas.bind("changed", elementChanged);
            svgCanvas.bind("saved", saveHandler);
            svgCanvas.bind("exported", exportHandler);
            svgCanvas.bind("zoomed", zoomChanged);
            svgCanvas.bind("extension_added", extAdded);
            svgCanvas.textActions.setInputElem($("#text")[0]);
		
            var str = '<div class="palette_item" data-rgb="none"></div>'
            $.each(palette, function(i,item){
                str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
            });
            $('#palette').append(str);
			
            // Set up editor background functionality
            // TODO add checkerboard as "pattern"
            var color_blocks = ['#FFF','#888','#000']; // ,'url(%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];
            var str = '';
            $.each(color_blocks, function() {
                str += '<div class="color_block" style="background-color:' + this + ';"></div>';
            });
            $('#bg_blocks').append(str);
            var blocks = $('#bg_blocks div');
            var cur_bg = 'cur_background';
            blocks.each(function() {
                var blk = $(this);
                blk.click(function() {
                    blocks.removeClass(cur_bg);
                    $(this).addClass(cur_bg);
                });
            });
		
            if($.pref('bkgd_color')) {
                setBackground($.pref('bkgd_color'), $.pref('bkgd_url'));
            } else if($.pref('bkgd_url')) {
                // No color set, only URL
                setBackground(defaultPrefs.bkgd_color, $.pref('bkgd_url'));
            }
			
            if($.pref('img_save')) {
                curPrefs.img_save = $.pref('img_save');
                $('#image_save_opts input').val([curPrefs.img_save]);
            }
		
            var changeRectRadius = function(ctl) {
                svgCanvas.setRectRadius(ctl.value);
            }
			
            var changeFontSize = function(ctl) {
                svgCanvas.setFontSize(ctl.value);
            }
			
            var changeStrokeWidth = function(ctl) {
                var val = ctl.value;
                if(val == 0 && selectedElement && $.inArray(selectedElement.nodeName, ['line', 'polyline']) != -1) {
                    val = ctl.value = 1;
                }
                svgCanvas.setStrokeWidth(val);
            }
			
            var changeRotationAngle = function(ctl) {
                svgCanvas.setRotationAngle(ctl.value);
                $('#tool_reorient').toggleClass('disabled', ctl.value == 0);
            }
            var changeZoom = function(ctl) {
                var zoomlevel = ctl.value / 100;
                var zoom = svgCanvas.getZoom();
                var w_area = workarea;
				
                zoomChanged(window, {
                    width: 0,
                    height: 0,
                    // center pt of scroll position
                    x: (w_area[0].scrollLeft + w_area.width()/2)/zoom,
                    y: (w_area[0].scrollTop + w_area.height()/2)/zoom,
                    zoom: zoomlevel
                }, true);
            }
			
            var changeOpacity = function(ctl, val) {
                if(val == null) val = ctl.value;
                $('#group_opacity').val(val);
                if(!ctl || !ctl.handle) {
                    $('#opac_slider').slider('option', 'value', val);
                }
                svgCanvas.setOpacity(val/100);
            }
		
            var changeBlur = function(ctl, val, noUndo) {
                if(val == null) val = ctl.value;
                $('#blur').val(val);
                var complete = false;
                if(!ctl || !ctl.handle) {
                    $('#blur_slider').slider('option', 'value', val);
                    complete = true;
                }
                if(noUndo) {
                    svgCanvas.setBlurNoUndo(val);
                } else {
                    svgCanvas.setBlur(val, complete);
                }
            }
		
            var operaRepaint = function() {
                // Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change
                if(!window.opera) return;
                $('<p/>').hide().appendTo('body').remove();
            }
		
            $('#stroke_style').change(function(){
                svgCanvas.setStrokeAttr('stroke-dasharray', $(this).val());
                operaRepaint();
            });

            $('#stroke_linejoin').change(function(){
                svgCanvas.setStrokeAttr('stroke-linejoin', $(this).val());
                operaRepaint();
            });

		
            // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
            $('select').change(function(){
                $(this).blur();
            });
		
            // fired when user wants to move elements to another layer
            var promptMoveLayerOnce = false;
            $('#selLayerNames').change(function(){
                var destLayer = this.options[this.selectedIndex].value;
                var confirm_str = uiStrings.QmoveElemsToLayer.replace('%s',destLayer);
                var moveToLayer = function(ok) {
                    if(!ok) return;
                    promptMoveLayerOnce = true;
                    svgCanvas.moveSelectedToLayer(destLayer);
                    svgCanvas.clearSelection();
                    populateLayers();
                }
                if (destLayer) {
                    if(promptMoveLayerOnce) {
                        moveToLayer(true);
                    } else {
                        $.confirm(confirm_str, moveToLayer);
                    }
                }
            });
		
            $('#font_family').change(function() {
                svgCanvas.setFontFamily(this.value);
            });
		
            $('#seg_type').change(function() {
                svgCanvas.setSegType($(this).val());
            });
		
            $('#text').keyup(function(){
                svgCanvas.setTextContent(this.value);
            });
		  
            $('#image_url').change(function(){
                setImageURL(this.value);
            });
		
            $('.attr_changer').change(function() {
                var attr = this.getAttribute("data-attr");
                var val = this.value;
                var valid = svgCanvas.isValidUnit(attr, val);
				
                if(!valid) {
                    $.alert(uiStrings.invalidAttrValGiven);
                    this.value = selectedElement.getAttribute(attr);
                    return false;
                }
                // if the user is changing the id, then de-select the element first
                // change the ID, then re-select it with the new ID
                if (attr == "id") {
                    var elem = selectedElement;
                    svgCanvas.clearSelection();
                    elem.id = val;
                    svgCanvas.addToSelection([elem],true);
                }
                else {
                    svgCanvas.changeSelectedAttribute(attr, val);
                }
            });
			
            // Prevent selection of elements when shift-clicking
            $('#palette').mouseover(function() {
                var inp = $('<input type="hidden">');
                $(this).append(inp);
                inp.focus().remove();
            });
		
            $('.palette_item').click(function(evt){
                var picker = (evt.shiftKey ? "stroke" : "fill");
                var id = (evt.shiftKey ? '#stroke_' : '#fill_');
                var color = $(this).attr('data-rgb');
                var rectbox = document.getElementById("gradbox_"+picker).parentNode.firstChild;
                var paint = null;
		
                // Webkit-based browsers returned 'initial' here for no stroke
                if (color == 'transparent' || color == 'initial') {
                    color = 'none';
                    $(id + "opacity").html("N/A");
                    paint = new $.jGraduate.Paint();
                }
                else {
                    paint = new $.jGraduate.Paint({
                        alpha: 100,
                        solidColor: color.substr(1)
                        });
                }
                rectbox.setAttribute("fill", color);
                rectbox.setAttribute("opacity", 1);
				
                if (evt.shiftKey) {
                    strokePaint = paint;
                    if (svgCanvas.getColor('stroke') != color) {
                        svgCanvas.setColor('stroke', color);
                    }
                    if (color != 'none' && svgCanvas.getStrokeOpacity() != 1) {
                        svgCanvas.setPaintOpacity('stroke', 1.0);
                    }
                } else {
                    fillPaint = paint;
                    if (svgCanvas.getColor('fill') != color) {
                        svgCanvas.setColor('fill', color);
                    }
                    if (color != 'none' && svgCanvas.getFillOpacity('fill') != 1) {
                        svgCanvas.setPaintOpacity('fill', 1.0);
                    }
                }
                updateToolButtonState();
            });
		
            $("#toggle_stroke_tools").toggle(function() {
                $(".stroke_tool").css('display','table-cell');
                $(this).text('<<');
            }, function() {
                $(".stroke_tool").css('display','none');
                $(this).text('>>');
            });
		
            // This is a common function used when a tool has been clicked (chosen)
            // It does several common things:
            // - removes the tool_button_current class from whatever tool currently has it
            // - hides any flyouts
            // - adds the tool_button_current class to the button passed in
            var toolButtonClick = function(button, fadeFlyouts) {
                if ($(button).hasClass('disabled')) return false;
                if($(button).parent().hasClass('tools_flyout')) return true;
                var fadeFlyouts = fadeFlyouts || 'normal';
                $('.tools_flyout').fadeOut(fadeFlyouts);
                $('#styleoverrides').text('');
                $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
                $(button).addClass('tool_button_current').removeClass('tool_button');
                // when a tool is selected, we should deselect any currently selected elements
                svgCanvas.clearSelection();
                return true;
            };
			
            (function() {
                var last_x = null, last_y = null, w_area = workarea[0],
                panning = false, keypan = false;
				
                $('#svgcanvas').bind('mousemove mouseup', function(evt) {
                    if(panning === false) return;

                    w_area.scrollLeft -= (evt.clientX - last_x);
                    w_area.scrollTop -= (evt.clientY - last_y);
					
                    last_x = evt.clientX;
                    last_y = evt.clientY;
					
                    if(evt.type === 'mouseup') panning = false;
                    return false;
                }).mousedown(function(evt) {
                    if(evt.button === 1 || keypan === true) {
                        panning = true;
                        last_x = evt.clientX;
                        last_y = evt.clientY;
                        return false;
                    }
                });
				
                $(window).mouseup(function() {
                    panning = false;
                });
				
                $(document).bind('keydown', 'space', function(evt) {
                    svgCanvas.spaceKey = keypan = true;
                    evt.preventDefault();
                }).bind('keyup', 'space', function(evt) {
                    evt.preventDefault();
                    svgCanvas.spaceKey = keypan = false;
                });
            }());
			
			
            function setStrokeOpt(opt, changeElem) {
                var id = opt.id;
                var bits = id.split('_');
                var pre = bits[0];
                var val = bits[1];
			
                if(changeElem) {
                    svgCanvas.setStrokeAttr('stroke-' + pre, val);
                }
                operaRepaint();
                setIcon('#cur_' + pre , id, 20);
                $(opt).addClass('current').siblings().removeClass('current');
            }
			
            (function() {
                var button = $('#main_icon');
                var overlay = $('#main_icon span');
                var list = $('#main_menu');
                var on_button = false;
                var height = 0;
                var js_hover = true;
                var set_click = false;
				
                var hideMenu = function() {
                    list.fadeOut(200);
                };
				
                $(window).mouseup(function(evt) {
                    if(!on_button) {
                        button.removeClass('buttondown');
                        // do not hide if it was the file input as that input needs to be visible
                        // for its change event to fire
                        if (evt.target.tagName.toLowerCase() != "input") {
                            list.fadeOut(200);
                        } else if(!set_click) {
                            set_click = true;
                            $(evt.target).click(function() {
                                list.css('margin-left','-9999px').show();
                            });
                        }
                    }
                    on_button = false;
                }).mousedown(function() {
                    $('.tools_flyout:visible').fadeOut();
                });
				
                overlay.bind('mousedown',function() {
                    if (!button.hasClass('buttondown')) {
                        button.addClass('buttondown').removeClass('buttonup')
                        // Margin must be reset in case it was changed before;
                        list.css('margin-left',0).show();
                        if(!height) {
                            height = list.height();
                        }
                        // Using custom animation as slideDown has annoying "bounce effect"
                        list.css('height',0).animate({
                            'height': height
                        },200);
                        on_button = true;
                        return false;
                    } else {
                        button.removeClass('buttondown').addClass('buttonup');
                        list.fadeOut(200);
                    }
                }).hover(function() {
                    on_button = true;
                }).mouseout(function() {
                    on_button = false;
                });
				
                var list_items = $('#main_menu li');
				
                // Check if JS method of hovering needs to be used (Webkit bug)
                list_items.mouseover(function() {
                    js_hover = ($(this).css('background-color') == 'rgba(0, 0, 0, 0)');
					
                    list_items.unbind('mouseover');
                    if(js_hover) {
                        list_items.mouseover(function() {
                            this.style.backgroundColor = '#FFC';
                        }).mouseout(function() {
                            this.style.backgroundColor = 'transparent';
                            return true;
                        });
                    }
                });
            }());
			
            var addDropDown = function(elem, callback, dropUp) {
                var button = $(elem).find('button');
                var list = $(elem).find('ul');
                var on_button = false;
                if(dropUp) {
                    $(elem).addClass('dropup');
                }
			
                $(elem).find('li').bind('mouseup', callback);
				
                $(window).mouseup(function(evt) {
                    if(!on_button) {
                        button.removeClass('down');
                        list.hide();
                    }
                    on_button = false;
                });
				
                button.bind('mousedown',function() {
                    if (!button.hasClass('down')) {
                        button.addClass('down');
                        list.show();
                        on_button = true;
                    } else {
                        button.removeClass('down');
                        list.hide();
                    }
                }).hover(function() {
                    on_button = true;
                }).mouseout(function() {
                    on_button = false;
                });
            }
			
            // TODO: Combine this with addDropDown or find other way to optimize
            var addAltDropDown = function(elem, list, callback, opts) {
                var button = $(elem);
                var list = $(list);
                var on_button = false;
                var dropUp = opts.dropUp;
                if(dropUp) {
                    $(elem).addClass('dropup');
                }
                list.find('li').bind('mouseup', function() {
                    if(opts.seticon) {
                        setIcon('#cur_' + button[0].id , $(this).children());
                        $(this).addClass('current').siblings().removeClass('current');
                    }
                    callback.apply(this, arguments);

                });
				
                $(window).mouseup(function(evt) {
                    if(!on_button) {
                        button.removeClass('down');
                        list.hide();
                        list.css({
                            top:0,
                            left:0
                        });
                    }
                    on_button = false;
                });
				
                var height = list.height();
                $(elem).bind('mousedown',function() {
                    var off = $(elem).offset();
                    if(dropUp) {
                        off.top -= list.height();
                        off.left += 8;
                    } else {
                        off.top += $(elem).height();
                    }
                    $(list).offset(off);
					
                    if (!button.hasClass('down')) {
                        button.addClass('down');
                        list.show();
                        on_button = true;
                        return false;
                    } else {
                        button.removeClass('down');
                        // CSS position must be reset for Webkit
                        list.hide();
                        list.css({
                            top:0,
                            left:0
                        });
                    }
                }).hover(function() {
                    on_button = true;
                }).mouseout(function() {
                    on_button = false;
                });
				
                if(opts.multiclick) {
                    list.mousedown(function() {
                        on_button = true;
                    });
                }
            }
			
            addDropDown('#font_family_dropdown', function() {
                var fam = $(this).text();
                $('#font_family').val($(this).text()).change();
            });
			
            addDropDown('#opacity_dropdown', function() {
                if($(this).find('div').length) return;
                var perc = parseInt($(this).text().split('%')[0]);
                changeOpacity(false, perc);
            }, true);
			
            // For slider usage, see: http://jqueryui.com/demos/slider/
            $("#opac_slider").slider({
                start: function() {
                    $('#opacity_dropdown li:not(.special)').hide();
                },
                stop: function() {
                    $('#opacity_dropdown li').show();
                    $(window).mouseup();
                },
                slide: function(evt, ui){
                    changeOpacity(ui);
                }
            });
		
            addDropDown('#blur_dropdown', function() {
                });
			
            var slideStart = false;
			
            $("#blur_slider").slider({
                max: 10,
                step: .1,
                stop: function(evt, ui) {
                    slideStart = false;
                    changeBlur(ui);
                    $('#blur_dropdown li').show();
                    $(window).mouseup();
                },
                start: function() {
                    slideStart = true;
                },
                slide: function(evt, ui){
                    changeBlur(ui, null, slideStart);
                }
            });

		
            addDropDown('#zoom_dropdown', function() {
                var item = $(this);
                var val = item.attr('data-val');
                if(val) {
                    zoomChanged(window, val);
                } else {
                    changeZoom({
                        value:parseInt(item.text())
                        });
                }
            }, true);
			
            addAltDropDown('#stroke_linecap', '#linecap_opts', function() {
                setStrokeOpt(this, true);
            }, {
                dropUp: true
            });
			
            addAltDropDown('#stroke_linejoin', '#linejoin_opts', function() {
                setStrokeOpt(this, true);
            }, {
                dropUp: true
            });
			
            addAltDropDown('#tool_position', '#position_opts', function() {
                var letter = this.id.replace('tool_pos','').charAt(0);
                svgCanvas.alignSelectedElements(letter, 'page');
            }, {
                multiclick: true
            });
			
            /*
			
			When a flyout icon is selected
				(if flyout) {
				- Change the icon
				- Make pressing the button run its stuff
				}
				- Run its stuff
			
			When its shortcut key is pressed
				- If not current in list, do as above
				, else:
				- Just run its stuff
			
			*/
			
            // Unfocus text input when workarea is mousedowned.
            (function() {
                var inp;

                var unfocus = function() {
                    $(inp).blur();
                }
				
                // Do not include the #text input, as it needs to remain focused
                // when clicking on an SVG text element.
                $('#svg_editor input:text:not(#text)').focus(function() {
                    inp = this;
                    workarea.mousedown(unfocus);
                }).blur(function() {
                    workarea.unbind('mousedown', unfocus);
                });
            }());

            var clickSelect = function() {
                if (toolButtonClick('#tool_select')) {
                    svgCanvas.setMode('select');
                    $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
                }
            };
		
            var clickFHPath = function() {
                if (toolButtonClick('#tool_fhpath')) {
                    svgCanvas.setMode('fhpath');
                }
            };
		
            var clickLine = function() {
                if (toolButtonClick('#tool_line')) {
                    svgCanvas.setMode('line');
                }
            };
		
            var clickSquare = function(){
                svgCanvas.setMode('square');
            };
			
            var clickRect = function(){
                svgCanvas.setMode('rect');
            };
			
            var clickFHRect = function(){
                svgCanvas.setMode('fhrect');
            };
			
            var clickCircle = function(){
                svgCanvas.setMode('circle');
            };
		
            var clickEllipse = function(){
                svgCanvas.setMode('ellipse');
            };
		
            var clickFHEllipse = function(){
                svgCanvas.setMode('fhellipse');
            };
			
            var clickImage = function(){
                if (toolButtonClick('#tool_image')) {
                    svgCanvas.setMode('image');
                }
            };
		
            var clickZoom = function(){
                if (toolButtonClick('#tool_zoom')) {
                    workarea.css('cursor','crosshair');
                    svgCanvas.setMode('zoom');
                }
            };
		
            var dblclickZoom = function(){
                if (toolButtonClick('#tool_zoom')) {
                    zoomImage();
                    setSelectMode();
                }
            };
		
            var clickText = function(){
                toolButtonClick('#tool_text');
                svgCanvas.setMode('text');
            };
			
            var clickPath = function(){
                toolButtonClick('#tool_path');
                svgCanvas.setMode('path');
            };
			
            // Delete is a contextual tool that only appears in the ribbon if
            // an element has been selected
            var deleteSelected = function() {
                if (selectedElement != null || multiselected) {
                    svgCanvas.deleteSelectedElements();
                }
            };
		
            var moveToTopSelected = function() {
                if (selectedElement != null) {
                    svgCanvas.moveToTopSelectedElement();
                }
            };
		
            var moveToBottomSelected = function() {
                if (selectedElement != null) {
                    svgCanvas.moveToBottomSelectedElement();
                }
            };
			
            var convertToPath = function() {
                if (selectedElement != null) {
                    svgCanvas.convertToPath();
                }
            }
			
            var reorientPath = function() {
                if (selectedElement != null) {
                    path.reorient();
                }
            }
		
            var moveSelected = function(dx,dy) {
                if (selectedElement != null || multiselected) {
                    svgCanvas.moveSelectedElements(dx,dy);
                }
            };
		
            var linkControlPoints = function() {
                var linked = !$('#tool_node_link').hasClass('push_button_pressed');
                if (linked)
                    $('#tool_node_link').addClass('push_button_pressed').removeClass('tool_button');
                else
                    $('#tool_node_link').removeClass('push_button_pressed').addClass('tool_button');
					
                path.linkControlPoints(linked);
            }
		
            var clonePathNode = function() {
                if (path.getNodePoint()) {
                    path.clonePathNode();
                }
            };
			
            var deletePathNode = function() {
                if (path.getNodePoint()) {
                    path.deletePathNode();
                }
            };
		
            var addSubPath = function() {
                var button = $('#tool_add_subpath');
                var sp = !button.hasClass('push_button_pressed');
                if (sp) {
                    button.addClass('push_button_pressed').removeClass('tool_button');
                } else {
                    button.removeClass('push_button_pressed').addClass('tool_button');
                }
				
                path.addSubPath(sp);
				
            };
		
            var opencloseSubPath = function() {
                path.opencloseSubPath();
            }
			
            var selectNext = function() {
                svgCanvas.cycleElement(1);
            };
			
            var selectPrev = function() {
                svgCanvas.cycleElement(0);
            };
			
            var rotateSelected = function(cw) {
                if (selectedElement == null || multiselected) return;
                var step = 5;
                if(!cw) step *= -1;
                var new_angle = $('#angle').val()*1 + step;
                svgCanvas.setRotationAngle(new_angle);
                updateContextPanel();
            };
			
            var clickClear = function(){
                var dims = curConfig.dimensions;
                $.confirm(uiStrings.QwantToClear, function(ok) {
                    if(!ok) return;
                    setSelectMode();
                    svgCanvas.clear();
                    svgCanvas.setResolution(dims[0], dims[1]);
                    updateCanvas(true);
                    zoomImage();
                    populateLayers();
                    updateContextPanel();
                });
            };
			
            var clickBold = function(){
                svgCanvas.setBold( !svgCanvas.getBold() );
                updateContextPanel();
            };
			
            var clickItalic = function(){
                svgCanvas.setItalic( !svgCanvas.getItalic() );
                updateContextPanel();
            };
		
            var clickSave = function(){
                // In the future, more options can be provided here
                var saveOpts = {
                    'images': curPrefs.img_save,
                    'round_digits': 6
                }
                svgCanvas.save(saveOpts);
            };
			
            var clickExport = function() {
                // Open placeholder window (prevents popup)
                if(!customHandlers.pngsave)  {
                    var str = uiStrings.loadingImage;
                    exportWindow = window.open("data:text/html;charset=utf-8,<title>" + str + "<\/title><h1>" + str + "<\/h1>");
                }

                if(window.canvg) {
                    svgCanvas.rasterExport();
                } else {
                    $.getScript('canvg/rgbcolor.js', function() {
                        $.getScript('canvg/canvg.js', function() {
                            svgCanvas.rasterExport();
                        });
                    });
                }
            }
			
            // by default, svgCanvas.open() is a no-op.
            // it is up to an extension mechanism (opera widget, etc)
            // to call setCustomHandlers() which will make it do something
            var clickOpen = function(){
                svgCanvas.open();
            };
            var clickImport = function(){
            };
		
            var clickUndo = function(){
                if (undoMgr.getUndoStackSize() > 0) {
                    undoMgr.undo();
                    populateLayers();
                }
            };
		
            var clickRedo = function(){
                if (undoMgr.getRedoStackSize() > 0) {
                    undoMgr.redo();
                    populateLayers();
                }
            };
			
            var clickGroup = function(){
                // group
                if (multiselected) {
                    svgCanvas.groupSelectedElements();
                }
                // ungroup
                else if(selectedElement && selectedElement.tagName == 'g'){
                    svgCanvas.ungroupSelectedElement();
                }
            };
			
            var clickClone = function(){
                svgCanvas.cloneSelectedElements();
            };
			
            var clickAlign = function() {
                var letter = this.id.replace('tool_align','').charAt(0);
                svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());
            };
			
            var zoomImage = function(multiplier) {
                var res = svgCanvas.getResolution();
                multiplier = multiplier?res.zoom * multiplier:1;
                // 		setResolution(res.w * multiplier, res.h * multiplier, true);
                $('#zoom').val(multiplier * 100);
                svgCanvas.setZoom(multiplier);
                zoomDone();
                updateCanvas(true);
            };
			
            var zoomDone = function() {
                // 		updateBgImage();
                updateWireFrame();
            //updateCanvas(); // necessary?
            }
		
            var clickWireframe = function() {
                var wf = !$('#tool_wireframe').hasClass('push_button_pressed');
                if (wf)
                    $('#tool_wireframe').addClass('push_button_pressed').removeClass('tool_button');
                else
                    $('#tool_wireframe').removeClass('push_button_pressed').addClass('tool_button');
                workarea.toggleClass('wireframe');
				
                if(supportsNonSS) return;
                var wf_rules = $('#wireframe_rules');
                if(!wf_rules.length) {
                    wf_rules = $('<style id="wireframe_rules"><\/style>').appendTo('head');
                } else {
                    wf_rules.empty();
                }
				
                updateWireFrame();
            }
			
            var updateWireFrame = function() {
                // Test support
                if(supportsNonSS) return;
		
                var rule = "#workarea.wireframe #svgcontent * { stroke-width: " + 1/svgCanvas.getZoom() + "px; }";
                $('#wireframe_rules').text(workarea.hasClass('wireframe') ? rule : "");
            }
		
            var showSourceEditor = function(){
                if (editingsource) return;
                editingsource = true;
                var str = svgCanvas.getSvgString();
                $('#svg_source_textarea').val(str);
                $('#svg_source_editor').fadeIn();
                properlySourceSizeTextArea();
                $('#svg_source_textarea').focus();
            };
			
            $('#svg_docprops_container').draggable({
                cancel:'button,fieldset'
            });
			
            var showDocProperties = function(){
                if (docprops) return;
                docprops = true;
				
                // This selects the correct radio button by using the array notation
                $('#image_save_opts input').val([curPrefs.img_save]);
				
                // update resolution option with actual resolution
                var res = svgCanvas.getResolution();
                $('#canvas_width').val(res.w);
                $('#canvas_height').val(res.h);
                $('#canvas_title').val(svgCanvas.getDocumentTitle());
				
                // Update background color with current one
                var blocks = $('#bg_blocks div');
                var cur_bg = 'cur_background';
                var canvas_bg = $.pref('bkgd_color');
                var url = $.pref('bkgd_url');
                // 		if(url) url = url[1];
                blocks.each(function() {
                    var blk = $(this);
                    var is_bg = blk.css('background-color') == canvas_bg;
                    blk.toggleClass(cur_bg, is_bg);
                    if(is_bg) $('#canvas_bg_url').removeClass(cur_bg);
                });
                if(!canvas_bg) blocks.eq(0).addClass(cur_bg);
                if(url) {
                    $('#canvas_bg_url').val(url);
                }
				
                $('#svg_docprops').fadeIn();
            };
			
            var properlySourceSizeTextArea = function(){
                // TODO: remove magic numbers here and get values from CSS
                var height = $('#svg_source_container').height() - 80;
                $('#svg_source_textarea').css('height', height);
            };
			
            var saveSourceEditor = function(){
                if (!editingsource) return;
		
                var saveChanges = function() {
                    svgCanvas.clearSelection();
                    hideSourceEditor();
                    zoomImage();
                    populateLayers();
                    setTitle(svgCanvas.getDocumentTitle());
                }
		
                if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {
                    $.confirm(uiStrings.QerrorsRevertToSource, function(ok) {
                        if(!ok) return false;
                        saveChanges();
                    });
                } else {
                    saveChanges();
                }
                setSelectMode();
            };
			
            var setTitle = function(title) {
                var editor_title = $('title:first').text().split(':')[0];
                var new_title = editor_title + (title?': ' + title:'');
                $('title:first').text(new_title);
            }
			
            var saveDocProperties = function(){
                // set title
                var new_title = $('#canvas_title').val();
                setTitle(new_title);
                svgCanvas.setDocumentTitle(new_title);
			
                // update resolution
                var width = $('#canvas_width'), w = width.val();
                var height = $('#canvas_height'), h = height.val();
		
                if(w != "fit" && !svgCanvas.isValidUnit('width', w)) {
                    $.alert(uiStrings.invalidAttrValGiven);
                    width.parent().addClass('error');
                    return false;
                }
				
                width.parent().removeClass('error');
				
                if(h != "fit" && !svgCanvas.isValidUnit('height', h)) {
                    $.alert(uiStrings.invalidAttrValGiven);
                    height.parent().addClass('error');
                    return false;
                }
				
                height.parent().removeClass('error');
				
                if(!svgCanvas.setResolution(w, h)) {
                    $.alert(uiStrings.noContentToFitTo);
                    return false;
                }
				
                // set image save option
                curPrefs.img_save = $('#image_save_opts :checked').val();
                $.pref('img_save',curPrefs.img_save);
				
                // set background
                var color = $('#bg_blocks div.cur_background').css('background-color') || '#FFF';
                setBackground(color, $('#canvas_bg_url').val());
				
                // set language
                var lang = $('#lang_select').val();
                if(lang != curPrefs.lang) {
                    Editor.putLocale(lang);
                }
				
                // set icon size
                setIconSize($('#iconsize').val());
				
                updateCanvas();
                hideDocProperties();
            };
			
            function setBackground(color, url) {
                // 				if(color == curPrefs.bkgd_color && url == curPrefs.bkgd_url) return;
                $.pref('bkgd_color', color);
                $.pref('bkgd_url', url);
				
                // This should be done in svgcanvas.js for the borderRect fill
                svgCanvas.setBackground(color, url);
            }
			
            var setIcon = Editor.setIcon = function(elem, icon_id, forcedSize) {
                var icon = (typeof icon_id == 'string') ? $.getSvgIcon(icon_id).clone() : icon_id.clone();
                $(elem).empty().append(icon);
                if(forcedSize) {
                    var obj = {};
                    obj[elem + ' .svg_icon'] = forcedSize;
                    $.resizeSvgIcons(obj);
                } else {
                    var size = curPrefs.iconsize;
                    if(size && size !== 'm') {
                        var icon_sizes = {
                            s:16,
                            m:24,
                            l:32,
                            xl:48
                        }, obj = {};
                        obj[elem + ' .svg_icon'] = icon_sizes[size];
                        $.resizeSvgIcons(obj);
                    }
                }
            }
		
            var setIconSize = Editor.setIconSize = function(size, force) {
                if(size == curPrefs.size && !force) return;
                $.pref('iconsize', size);
                $('#iconsize').val(size);
                var icon_sizes = {
                    s:16,
                    m:24,
                    l:32,
                    xl:48
                };
                var size_num = icon_sizes[size];
				
                // Change icon size
                $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')
                .find('> svg, > img').each(function() {
                    this.setAttribute('width',size_num);
                    this.setAttribute('height',size_num);
                });
				
                $.resizeSvgIcons({
                    '.flyout_arrow_horiz > svg, .flyout_arrow_horiz > img': size_num / 5,
                    '#logo > svg, #logo > img': size_num * 1.3,
                    '#tools_bottom .icon_label > *': (size_num === 16 ? 18 : size_num * .75)
                });
                if(size != 's') {
                    $.resizeSvgIcons({
                        '#layerbuttons svg, #layerbuttons img': size_num * .6
                        });
                }
				
                // Note that all rules will be prefixed with '#svg_editor' when parsed
                var cssResizeRules = {
                    ".tool_button,\
					.push_button,\
					.tool_button_current,\
					.push_button_pressed,\
					.disabled,\
					.icon_label,\
					.tools_flyout .tool_button": {
                        'width': {
                            s: '16px',
                            l: '32px',
                            xl: '48px'
                        },
                        'height': {
                            s: '16px',
                            l: '32px',
                            xl: '48px'
                        },
                        'padding': {
                            s: '1px',
                            l: '2px',
                            xl: '3px'
                        }
                    },
                    ".tool_sep": {
                        'height': {
                            s: '16px',
                            l: '32px',
                            xl: '48px'
                        },
                        'margin': {
                            s: '2px 2px',
                            l: '2px 5px',
                            xl: '2px 8px'
                        }
                    },
                    "#main_icon": {
                        'width': {
                            s: '31px',
                            l: '53px',
                            xl: '75px'
                        },
                        'height': {
                            s: '22px',
                            l: '42px',
                            xl: '64px'
                        }
                    },
                    "#tools_top": {
                        'left': {
                            s: '36px',
                            l: '60px',
                            xl: '80px'
                        },
                        'height': {
                            s: '50px',
                            l: '88px',
                            xl: '125px'
                        }
                    },
                    "#tools_left": {
                        'width': {
                            s: '22px',
                            l: '30px',
                            xl: '38px'
                        },
                        'top': {
                            s: '50px',
                            l: '87px',
                            xl: '125px'
                        }
                    },
                    "div#workarea": {
                        'left': {
                            s: '27px',
                            l: '46px',
                            xl: '65px'
                        },
                        'top': {
                            s: '50px',
                            l: '88px',
                            xl: '125px'
                        },
                        'bottom': {
                            s: '55px',
                            l: '98px',
                            xl: '145px'
                        }
                    },
                    "#tools_bottom": {
                        'left': {
                            s: '27px',
                            l: '46px',
                            xl: '65px'
                        },
                        'height': {
                            s: '58px',
                            l: '98px',
                            xl: '145px'
                        }
                    },
                    "#color_tools": {
                        'border-spacing': {
                            s: '0 1px'
                        },
                        'margin-top': {
                            s: '-1px'
                        }
                    },
                    "#color_tools .icon_label": {
                        'width': {
                            l:'43px',
                            xl: '60px'
                        }
                    },
                    ".color_tool": {
                        'height': {
                            s: '20px'
                        }
                    },
                    "#tool_opacity": {
                        'top': {
                            s: '1px'
                        },
                        'height': {
                            s: 'auto',
                            l:'auto',
                            xl:'auto'
                        }
                    },
                    "#tools_top input, #tools_bottom input": {
                        'margin-top': {
                            s: '2px',
                            l: '4px',
                            xl: '5px'
                        },
                        'height': {
                            s: 'auto',
                            l: 'auto',
                            xl: 'auto'
                        },
                        'border': {
                            s: '1px solid #555',
                            l: 'auto',
                            xl: 'auto'
                        },
                        'font-size': {
                            s: '.9em',
                            l: '1.2em',
                            xl: '1.4em'
                        }
                    },
                    "#zoom_panel": {
                        'margin-top': {
                            s: '3px',
                            l: '4px',
                            xl: '5px'
                        }
                    },
                    "#copyright, #tools_bottom .label": {
                        'font-size': {
                            l: '1.5em',
                            xl: '2em'
                        },
                        'line-height': {
                            s: '15px'
                        }
                    },
                    "#tools_bottom_2": {
                        'width': {
                            l: '295px',
                            xl: '355px'
                        },
                        'top': {
                            s: '4px'
                        }
                    },
                    "#tools_top > div, #tools_top": {
                        'line-height': {
                            s: '17px',
                            l: '34px',
                            xl: '50px'
                        }
                    },
                    ".dropdown button": {
                        'height': {
                            s: '18px',
                            l: '34px',
                            xl: '40px'
                        },
                        'line-height': {
                            s: '18px',
                            l: '34px',
                            xl: '40px'
                        },
                        'margin-top': {
                            s: '3px'
                        }
                    },
                    "#tools_top label, #tools_bottom label": {
                        'font-size': {
                            s: '1em',
                            l: '1.5em',
                            xl: '2em'
                        },
                        'height': {
                            s: '25px',
                            l: '42px',
                            xl: '64px'
                        }
                    },
                    "div.toolset": {
                        'height': {
                            s: '25px',
                            l: '42px',
                            xl: '64px'
                        }
                    },
                    "#tool_bold, #tool_italic": {
                        'font-size': {
                            s: '1.5em',
                            l: '3em',
                            xl: '4.5em'
                        }
                    },
                    "#sidepanels": {
                        'top': {
                            s: '50px',
                            l: '88px',
                            xl: '125px'
                        },
                        'bottom': {
                            s: '51px',
                            l: '68px',
                            xl: '65px'
                        }
                    },
                    '#layerbuttons': {
                        'width': {
                            l: '130px',
                            xl: '175px'
                        },
                        'height': {
                            l: '24px',
                            xl: '30px'
                        }
                    },
                    '#layerlist': {
                        'width': {
                            l: '128px',
                            xl: '150px'
                        }
                    },
                    '.layer_button': {
                        'width': {
                            l: '19px',
                            xl: '28px'
                        },
                        'height': {
                            l: '19px',
                            xl: '28px'
                        }
                    },
                    "input.spin-button": {
                        'background-image': {
                            l: "url('images/spinbtn_updn_big.png')",
                            xl: "url('images/spinbtn_updn_big.png')"
                        },
                        'background-position': {
                            l: '100% -5px',
                            xl: '100% -2px'
                        },
                        'padding-right': {
                            l: '24px',
                            xl: '24px'
                        }
                    },
                    "input.spin-button.up": {
                        'background-position': {
                            l: '100% -45px',
                            xl: '100% -42px'
                        }
                    },
                    "input.spin-button.down": {
                        'background-position': {
                            l: '100% -85px',
                            xl: '100% -82px'
                        }
                    },
                    "#position_opts": {
                        'width': {
                            all: (size_num*4) +'px'
                            }
                    }
                };
				
                var rule_elem = $('#tool_size_rules');
                if(!rule_elem.length) {
                    rule_elem = $('<style id="tool_size_rules"><\/style>').appendTo('head');
                } else {
                    rule_elem.empty();
                }
				
                if(size != 'm') {
                    var style_str = '';
                    $.each(cssResizeRules, function(selector, rules) {
                        selector = '#svg_editor ' + selector.replace(/,/g,', #svg_editor');
                        style_str += selector + '{';
                        $.each(rules, function(prop, values) {
                            if(values[size] || values.all) {
                                style_str += (prop + ':' + (values[size] || values.all) + ';');
                            }
                        });
                        style_str += '}';
                    });
                    rule_elem.text(style_str);
                }
				
                setFlyoutPositions();
            }
		
            var cancelOverlays = function() {
                $('#dialog_box').hide();
                if (!editingsource && !docprops) return;
		
                if (editingsource) {
                    var oldString = svgCanvas.getSvgString();
                    if (oldString != $('#svg_source_textarea').val()) {
                        $.confirm(uiStrings.QignoreSourceChanges, function(ok) {
                            if(ok) hideSourceEditor();
                        });
                    } else {
                        hideSourceEditor();
                    }
                }
                else if (docprops) {
                    hideDocProperties();
                }
		
            };
		
            var hideSourceEditor = function(){
                $('#svg_source_editor').hide();
                editingsource = false;
                $('#svg_source_textarea').blur();
            };
			
            var hideDocProperties = function(){
                $('#svg_docprops').hide();
                $('#canvas_width,#canvas_height').removeAttr('disabled');
                $('#resolution')[0].selectedIndex = 0;
                $('#image_save_opts input').val([curPrefs.img_save]);
                docprops = false;
            };

            var win_wh = {
                width:$(window).width(),
                height:$(window).height()
                };
			
            $(window).resize(function(evt) {
                if (editingsource) {
                    properlySourceSizeTextArea();
                }
				
                $.each(win_wh, function(type, val) {
                    var curval = $(window)[type]();
                    workarea[0]['scroll' + (type==='width'?'Left':'Top')] -= (curval - val)/2;
                    win_wh[type] = curval;
                });
            });
			
            $('#url_notice').click(function() {
                $.alert(this.title);
            });
			
            $('#change_image_url').click(promptImgURL);
			
            function promptImgURL() {
                $.prompt(uiStrings.enterNewImgURL, default_img_url, function(url) {
                    if(url) setImageURL(url);
                });
            }
		
            function setImageURL(url) {
                if(!url) url = default_img_url;
				
                svgCanvas.setImageURL(url);
                $('#image_url').val(url);
				
                if(url.indexOf('data:') === 0) {
                    // data URI found
                    $('#image_url').hide();
                    $('#change_image_url').show();
                } else {
                    // regular URL
					
                    svgCanvas.embedImage(url, function(datauri) {
                        if(!datauri) {
                            // Couldn't embed, so show warning
                            $('#url_notice').show();
                        } else {
                            $('#url_notice').hide();
                        }
                        default_img_url = url;
                    });
                    $('#image_url').show();
                    $('#change_image_url').hide();
                }
            }
		
            // added these event handlers for all the push buttons so they
            // behave more like buttons being pressed-in and not images
            (function() {
                var toolnames = ['clear','open','save','source','delete','delete_multi','paste','clone','clone_multi','move_top','move_bottom'];
                var all_tools = '';
                var cur_class = 'tool_button_current';
				
                $.each(toolnames, function(i,item) {
                    all_tools += '#tool_' + item + (i==toolnames.length-1?',':'');
                });
				
                $(all_tools).mousedown(function() {
                    $(this).addClass(cur_class);
                }).bind('mousedown mouseout', function() {
                    $(this).removeClass(cur_class);
                });
				
                $('#tool_undo, #tool_redo').mousedown(function(){
                    if (!$(this).hasClass('disabled')) $(this).addClass(cur_class);
                }).bind('mousedown mouseout',function(){
                    $(this).removeClass(cur_class);
                }
                );
            }());
		
            // switch modifier key in tooltips if mac
            // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta
            // in Opera and Chrome
            if (isMac) {
                var shortcutButtons = ["tool_clear", "tool_save", "tool_source", "tool_undo", "tool_redo", "tool_clone"];
                var i = shortcutButtons.length;
                while (i--) {
                    var button = document.getElementById(shortcutButtons[i]);
                    var title = button.title;
                    var index = title.indexOf("Ctrl+");
                    button.title = [title.substr(0,index), "Cmd+", title.substr(index+5)].join('');
                }
            }
			
            // TODO: go back to the color boxes having white background-color and then setting
            //       background-image to none.png (otherwise partially transparent gradients look weird)
            var colorPicker = function(elem) {
                var picker = elem.attr('id') == 'stroke_color' ? 'stroke' : 'fill';
                // 				var opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
                var paint = (picker == 'stroke' ? strokePaint : fillPaint);
                var title = (picker == 'stroke' ? 'Pick a Stroke Paint and Opacity' : 'Pick a Fill Paint and Opacity');
                var was_none = false;
                var pos = elem.position();
                $("#color_picker")
                .draggable({
                    cancel:'.jPicker_table,.jGraduate_lgPick,.jGraduate_rgPick'
                })
                .css({
                    'left': pos.left,
                    'bottom': 50 - pos.top
                    })
                .jGraduate(
                {
                    paint: paint,
                    window: {
                        pickerTitle: title
                    },
                    images: {
                        clientPath: "jgraduate/images/"
                    }
                },
                function(p) {
                    paint = new $.jGraduate.Paint(p);
						
                    var oldgrad = document.getElementById("gradbox_"+picker);
                    var svgbox = oldgrad.parentNode;
                    var rectbox = svgbox.firstChild;
                    if (paint.type == "linearGradient" || paint.type == "radialGradient") {
                        svgbox.removeChild(oldgrad);
                        var newgrad = svgbox.appendChild(document.importNode(paint[paint.type], true));
                        newgrad.id = "gradbox_"+picker;
                        rectbox.setAttribute("fill", "url(#gradbox_" + picker + ")");
                        rectbox.setAttribute("opacity", paint.alpha/100);
                    }
                    else {
                        rectbox.setAttribute("fill", paint.solidColor != "none" ? "#" + paint.solidColor : "none");
                        rectbox.setAttribute("opacity", paint.alpha/100);
                    }
		
                    if (picker == 'stroke') {
                        svgCanvas.setPaint('stroke', paint);
                        strokePaint = paint;
                    }
                    else {
                        svgCanvas.setPaint('fill', paint);
                        fillPaint = paint;
                    }
                    updateToolbar();
                    $('#color_picker').hide();
                },
                function(p) {
                    $('#color_picker').hide();
                });
            };
		
            var updateToolButtonState = function() {
                var bNoFill = (svgCanvas.getColor('fill') == 'none');
                var bNoStroke = (svgCanvas.getColor('stroke') == 'none');
                var buttonsNeedingStroke = [ '#tool_fhpath', '#tool_line' ];
                var buttonsNeedingFillAndStroke = [ '#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
                if (bNoStroke) {
                    for (index in buttonsNeedingStroke) {
                        var button = buttonsNeedingStroke[index];
                        if ($(button).hasClass('tool_button_current')) {
                            clickSelect();
                        }
                        $(button).addClass('disabled');
                    }
                }
                else {
                    for (index in buttonsNeedingStroke) {
                        var button = buttonsNeedingStroke[index];
                        $(button).removeClass('disabled');
                    }
                }
		
                if (bNoStroke && bNoFill) {
                    for (index in buttonsNeedingFillAndStroke) {
                        var button = buttonsNeedingFillAndStroke[index];
                        if ($(button).hasClass('tool_button_current')) {
                            clickSelect();
                        }
                        $(button).addClass('disabled');
                    }
                }
                else {
                    for (index in buttonsNeedingFillAndStroke) {
                        var button = buttonsNeedingFillAndStroke[index];
                        $(button).removeClass('disabled');
                    }
                }
				
                svgCanvas.runExtensions("toolButtonStateUpdate", {
                    nofill: bNoFill,
                    nostroke: bNoStroke
                });
				
                // Disable flyouts if all inside are disabled
                $('.tools_flyout').each(function() {
                    var shower = $('#' + this.id + '_show');
                    var has_enabled = false;
                    $(this).children().each(function() {
                        if(!$(this).hasClass('disabled')) {
                            has_enabled = true;
                        }
                    });
                    shower.toggleClass('disabled', !has_enabled);
                });
		
                operaRepaint();
            };
		
            // set up gradients to be used for the buttons
            var svgdocbox = new DOMParser().parseFromString(
                '<svg xmlns="http://www.w3.org/2000/svg"><rect width="100%" height="100%"\
				fill="#' + curConfig.initFill.color + '" opacity="' + curConfig.initFill.opacity + '"/>\
				<linearGradient id="gradbox_">\
						<stop stop-color="#000" offset="0.0"/>\
						<stop stop-color="#FF0000" offset="1.0"/>\
				</linearGradient></svg>', 'text/xml');
		
            var boxgrad = svgdocbox.getElementById('gradbox_');
            boxgrad.id = 'gradbox_fill';
            svgdocbox.documentElement.setAttribute('width',16.5);
            $('#fill_color').append( document.importNode(svgdocbox.documentElement,true) );
			
            boxgrad.id = 'gradbox_stroke';
            svgdocbox.documentElement.setAttribute('width',16.5);
            $('#stroke_color').append( document.importNode(svgdocbox.documentElement,true) );
            $('#stroke_color rect').attr({
                'fill': '#' + curConfig.initStroke.color,
                'opacity': curConfig.initStroke.opacity
            });
			
            $('#stroke_width').val(curConfig.initStroke.width);
            $('#group_opacity').val(curConfig.initOpacity * 100);
			
            // Use this SVG elem to test vectorEffect support
            var test_el = svgdocbox.documentElement.firstChild;
            test_el.setAttribute('style','vector-effect:non-scaling-stroke');
            var supportsNonSS = (test_el.style.vectorEffect == 'non-scaling-stroke');
            test_el.removeAttribute('style');
			
            // Use this to test support for blur element. Seems to work to test support in Webkit
            var blur_test = svgdocbox.createElementNS('http://www.w3.org/2000/svg', 'feGaussianBlur');
            if(typeof blur_test.stdDeviationX === "undefined") {
                $('#tool_blur').hide();
            }
            $(blur_test).remove();
			
            // Test for embedImage support (use timeout to not interfere with page load)
            setTimeout(function() {
                svgCanvas.embedImage('images/logo.png', function(datauri) {
                    if(!datauri) {
                        // Disable option
                        $('#image_save_opts [value=embed]').attr('disabled','disabled');
                        $('#image_save_opts input').val(['ref']);
                        curPrefs.img_save = 'ref';
                        $('#image_opt_embed').css('color','#666').attr('title',uiStrings.featNotSupported);
                    }
                });
            },1000);
				
            $('#fill_color, #tool_fill .icon_label').click(function(){
                colorPicker($('#fill_color'));
                updateToolButtonState();
            });
		
            $('#stroke_color, #tool_stroke .icon_label').click(function(){
                colorPicker($('#stroke_color'));
                updateToolButtonState();
            });
			
            $('#group_opacityLabel').click(function() {
                $('#opacity_dropdown button').mousedown();
                $(window).mouseup();
            });
			
            $('#zoomLabel').click(function() {
                $('#zoom_dropdown button').mousedown();
                $(window).mouseup();
            });
			
            $('#tool_move_top').mousedown(function(evt){
                $('#tools_stacking').show();
                evt.preventDefault();
            });
			
            $('.layer_button').mousedown(function() {
                $(this).addClass('layer_buttonpressed');
            }).mouseout(function() {
                $(this).removeClass('layer_buttonpressed');
            }).mouseup(function() {
                $(this).removeClass('layer_buttonpressed');
            });
		
            $('.push_button').mousedown(function() {
                if (!$(this).hasClass('disabled')) {
                    $(this).addClass('push_button_pressed').removeClass('push_button');
                }
            }).mouseout(function() {
                $(this).removeClass('push_button_pressed').addClass('push_button');
            }).mouseup(function() {
                $(this).removeClass('push_button_pressed').addClass('push_button');
            });
			
            $('#layer_new').click(function() {
                var curNames = new Array(svgCanvas.getNumLayers());
                for (var i = 0; i < curNames.length; ++i) {
                    curNames[i] = svgCanvas.getLayer(i);
                }
				
                var j = (curNames.length+1);
                var uniqName = uiStrings.layer + " " + j;
                while ($.inArray(uniqName, curNames) != -1) {
                    j++;
                    uniqName = uiStrings.layer + " " + j;
                }
                $.prompt(uiStrings.enterUniqueLayerName,uniqName, function(newName) {
                    if (!newName) return;
                    if ($.inArray(newName, curNames) != -1) {
                        $.alert(uiStrings.dupeLayerName);
                        return;
                    }
                    svgCanvas.createLayer(newName);
                    updateContextPanel();
                    populateLayers();
                    $('#layerlist tr.layer').removeClass("layersel");
                    $('#layerlist tr.layer:first').addClass("layersel");
                });
            });
			
            $('#layer_delete').click(function() {
                if (svgCanvas.deleteCurrentLayer()) {
                    updateContextPanel();
                    populateLayers();
                    // This matches what SvgCanvas does
                    // TODO: make this behavior less brittle (svg-editor should get which
                    // layer is selected from the canvas and then select that one in the UI)
                    $('#layerlist tr.layer').removeClass("layersel");
                    $('#layerlist tr.layer:first').addClass("layersel");
                }
            });
			
            $('#layer_up').click(function() {
                // find index position of selected option
                var curIndex = $('#layerlist tr.layersel').prevAll().length;
                if (curIndex > 0) {
                    var total = $('#layerlist tr.layer').length;
                    curIndex--;
                    svgCanvas.setCurrentLayerPosition(total-curIndex-1);
                    populateLayers();
                    $('#layerlist tr.layer').removeClass("layersel");
                    $('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
                }
            });
		
            $('#layer_down').click(function() {
                // find index position of selected option
                var curIndex = $('#layerlist tr.layersel').prevAll().length;
                var total = $('#layerlist tr.layer').length;
                if (curIndex < total-1) {
                    curIndex++;
                    svgCanvas.setCurrentLayerPosition(total-curIndex-1);
                    populateLayers();
                    $('#layerlist tr.layer').removeClass("layersel");
                    $('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
                }
            });
		
            $('#layer_rename').click(function() {
                var curIndex = $('#layerlist tr.layersel').prevAll().length;
                var oldName = $('#layerlist tr.layersel td.layername').text();
                $.prompt(uiStrings.enterNewLayerName,"", function(newName) {
                    if (!newName) return;
                    if (oldName == newName) {
                        $.alert(uiStrings.layerHasThatName);
                        return;
                    }
			
                    var curNames = new Array(svgCanvas.getNumLayers());
                    for (var i = 0; i < curNames.length; ++i) {
                        curNames[i] = svgCanvas.getLayer(i);
                    }
                    if ($.inArray(newName, curNames) != -1) {
                        $.alert(uiStrings.layerHasThatName);
                        return;
                    }
					
                    svgCanvas.renameCurrentLayer(newName);
                    populateLayers();
                    $('#layerlist tr.layer').removeClass("layersel");
                    $('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
                });
            });
			
            var SIDEPANEL_MAXWIDTH = 300;
            var SIDEPANEL_OPENWIDTH = 150;
            var sidedrag = -1, sidedragging = false, allowmove = false;
				
            var resizePanel = function(evt) {
                if (!allowmove) return;
                if (sidedrag == -1) return;
                sidedragging = true;
                var deltax = sidedrag - evt.pageX;
				
                var sidepanels = $('#sidepanels');
                var sidewidth = parseInt(sidepanels.css('width'));
                if (sidewidth+deltax > SIDEPANEL_MAXWIDTH) {
                    deltax = SIDEPANEL_MAXWIDTH - sidewidth;
                    sidewidth = SIDEPANEL_MAXWIDTH;
                }
                else if (sidewidth+deltax < 2) {
                    deltax = 2 - sidewidth;
                    sidewidth = 2;
                }
	
                if (deltax == 0) return;
                sidedrag -= deltax;
	
                var layerpanel = $('#layerpanel');
                workarea.css('right', parseInt(workarea.css('right'))+deltax);
                sidepanels.css('width', parseInt(sidepanels.css('width'))+deltax);
                layerpanel.css('width', parseInt(layerpanel.css('width'))+deltax);
            }
			
            $('#sidepanel_handle')
            .mousedown(function(evt) {
                sidedrag = evt.pageX;
                $(window).mousemove(resizePanel);
                allowmove = false;
                // Silly hack for Chrome, which always runs mousemove right after mousedown
                setTimeout(function() {
                    allowmove = true;
                }, 20);
            })
            .mouseup(function(evt) {
                if (!sidedragging) toggleSidePanel();
                sidedrag = -1;
                sidedragging = false;
            });

            $(window).mouseup(function() {
                sidedrag = -1;
                sidedragging = false;
                $('#svg_editor').unbind('mousemove', resizePanel);
            });
			
            // if width is non-zero, then fully close it, otherwise fully open it
            // the optional close argument forces the side panel closed
            var toggleSidePanel = function(close){
                var w = parseInt($('#sidepanels').css('width'));
                var deltax = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;
                var sidepanels = $('#sidepanels');
                var layerpanel = $('#layerpanel');
                workarea.css('right', parseInt(workarea.css('right'))+deltax);
                sidepanels.css('width', parseInt(sidepanels.css('width'))+deltax);
                layerpanel.css('width', parseInt(layerpanel.css('width'))+deltax);
            };
			
            // this function highlights the layer passed in (by fading out the other layers)
            // if no layer is passed in, this function restores the other layers
            var toggleHighlightLayer = function(layerNameToHighlight) {
                var curNames = new Array(svgCanvas.getNumLayers());
                for (var i = 0; i < curNames.length; ++i) {
                    curNames[i] = svgCanvas.getLayer(i);
                }
			
                if (layerNameToHighlight) {
                    for (var i = 0; i < curNames.length; ++i) {
                        if (curNames[i] != layerNameToHighlight) {
                            svgCanvas.setLayerOpacity(curNames[i], 0.5);
                        }
                    }
                }
                else {
                    for (var i = 0; i < curNames.length; ++i) {
                        svgCanvas.setLayerOpacity(curNames[i], 1.0);
                    }
                }
            };
		
            var populateLayers = function(){
                var layerlist = $('#layerlist tbody');
                var selLayerNames = $('#selLayerNames');
                layerlist.empty();
                selLayerNames.empty();
                var currentlayer = svgCanvas.getCurrentLayer();
                var layer = svgCanvas.getNumLayers();
                var icon = $.getSvgIcon('eye');
                // we get the layers in the reverse z-order (the layer rendered on top is listed first)
                while (layer--) {
                    var name = svgCanvas.getLayer(layer);
                    // contenteditable=\"true\"
                    var appendstr = "<tr class=\"layer";
                    if (name == currentlayer) {
                        appendstr += " layersel"
                    }
                    appendstr += "\">";
					
                    if (svgCanvas.getLayerVisibility(name)) {
                        appendstr += "<td class=\"layervis\"/><td class=\"layername\" >" + name + "</td></tr>";
                    }
                    else {
                        appendstr += "<td class=\"layervis layerinvis\"/><td class=\"layername\" >" + name + "</td></tr>";
                    }
                    layerlist.append(appendstr);
                    selLayerNames.append("<option value=\"" + name + "\">" + name + "</option>");
                }
                if(icon !== undefined) {
                    var copy = icon.clone();
                    $('td.layervis',layerlist).append(icon.clone());
                    $.resizeSvgIcons({
                        'td.layervis .svg_icon':14
                    });
                }
                // handle selection of layer
                $('#layerlist td.layername')
                .click(function(evt){
                    $('#layerlist tr.layer').removeClass("layersel");
                    var row = $(this.parentNode);
                    row.addClass("layersel");
                    svgCanvas.setCurrentLayer(this.textContent);
                    evt.preventDefault();
                })
                .mouseover(function(evt){
                    $(this).css({
                        "font-style": "italic",
                        "color":"blue"
                    });
                    toggleHighlightLayer(this.textContent);
                })
                .mouseout(function(evt){
                    $(this).css({
                        "font-style": "normal",
                        "color":"black"
                    });
                    toggleHighlightLayer();
                });
                $('#layerlist td.layervis').click(function(evt){
                    var row = $(this.parentNode).prevAll().length;
                    var name = $('#layerlist tr.layer:eq(' + row + ') td.layername').text();
                    var vis = $(this).hasClass('layerinvis');
                    svgCanvas.setLayerVisibility(name, vis);
                    if (vis) {
                        $(this).removeClass('layerinvis');
                    }
                    else {
                        $(this).addClass('layerinvis');
                    }
                });
				
                // if there were too few rows, let's add a few to make it not so lonely
                var num = 5 - $('#layerlist tr.layer').size();
                while (num-- > 0) {
                    // FIXME: there must a better way to do this
                    layerlist.append("<tr><td style=\"color:white\">_</td><td/></tr>");
                }
            };
            populateLayers();
		
            // 	function changeResolution(x,y) {
            // 		var zoom = svgCanvas.getResolution().zoom;
            // 		setResolution(x * zoom, y * zoom);
            // 	}
			
            var centerCanvas = function() {
                // this centers the canvas vertically in the workarea (horizontal handled in CSS)
                workarea.css('line-height', workarea.height() + 'px');
            };
			
            $(window).bind('load resize', centerCanvas);
		
            function stepFontSize(elem, step) {
                var orig_val = elem.value-0;
                var sug_val = orig_val + step;
                var increasing = sug_val >= orig_val;
                if(step === 0) return orig_val;
				
                if(orig_val >= 24) {
                    if(increasing) {
                        return Math.round(orig_val * 1.1);
                    } else {
                        return Math.round(orig_val / 1.1);
                    }
                } else if(orig_val <= 1) {
                    if(increasing) {
                        return orig_val * 2;
                    } else {
                        return orig_val / 2;
                    }
                } else {
                    return sug_val;
                }
            }
			
            function stepZoom(elem, step) {
                var orig_val = elem.value-0;
                if(orig_val === 0) return 100;
                var sug_val = orig_val + step;
                if(step === 0) return orig_val;
				
                if(orig_val >= 100) {
                    return sug_val;
                } else {
                    if(sug_val >= orig_val) {
                        return orig_val * 2;
                    } else {
                        return orig_val / 2;
                    }
                }
            }
			
            // 	function setResolution(w, h, center) {
            // 		updateCanvas();
            // // 		w-=0; h-=0;
            // // 		$('#svgcanvas').css( { 'width': w, 'height': h } );
            // // 		$('#canvas_width').val(w);
            // // 		$('#canvas_height').val(h);
            // //
            // // 		if(center) {
            // // 			var w_area = workarea;
            // // 			var scroll_y = h/2 - w_area.height()/2;
            // // 			var scroll_x = w/2 - w_area.width()/2;
            // // 			w_area[0].scrollTop = scroll_y;
            // // 			w_area[0].scrollLeft = scroll_x;
            // // 		}
            // 	}
		
            $('#resolution').change(function(){
                var wh = $('#canvas_width,#canvas_height');
                if(!this.selectedIndex) {
                    if($('#canvas_width').val() == 'fit') {
                        wh.removeAttr("disabled").val(100);
                    }
                } else if(this.value == 'content') {
                    wh.val('fit').attr("disabled","disabled");
                } else {
                    var dims = this.value.split('x');
                    $('#canvas_width').val(dims[0]);
                    $('#canvas_height').val(dims[1]);
                    wh.removeAttr("disabled");
                }
            });
		
            //Prevent browser from erroneously repopulating fields
            $('input,select').attr("autocomplete","off");
			
            // Associate all button actions as well as non-button keyboard shortcuts
            var Actions = function() {
                // sel:'selector', fn:function, evt:'event', key:[key, preventDefault, NoDisableInInput]
                var tool_buttons = [
                {
                    sel:'#tool_select',
                    fn: clickSelect,
                    evt: 'click',
                    key: 1
                },

                {
                    sel:'#tool_fhpath',
                    fn: clickFHPath,
                    evt: 'click',
                    key: 2
                },

                {
                    sel:'#tool_line',
                    fn: clickLine,
                    evt: 'click',
                    key: 3
                },

                {
                    sel:'#tool_rect',
                    fn: clickRect,
                    evt: 'mouseup',
                    key: 4,
                    parent: '#tools_rect',
                    icon: 'rect'
                },

                {
                    sel:'#tool_square',
                    fn: clickSquare,
                    evt: 'mouseup',
                    key: 'Shift+4',
                    parent: '#tools_rect',
                    icon: 'square'
                },

                {
                    sel:'#tool_fhrect',
                    fn: clickFHRect,
                    evt: 'mouseup',
                    parent: '#tools_rect',
                    icon: 'fh_rect'
                },

                {
                    sel:'#tool_ellipse',
                    fn: clickEllipse,
                    evt: 'mouseup',
                    key: 5,
                    parent: '#tools_ellipse',
                    icon: 'ellipse'
                },

                {
                    sel:'#tool_circle',
                    fn: clickCircle,
                    evt: 'mouseup',
                    key: 'Shift+5',
                    parent: '#tools_ellipse',
                    icon: 'circle'
                },

                {
                    sel:'#tool_fhellipse',
                    fn: clickFHEllipse,
                    evt: 'mouseup',
                    parent: '#tools_ellipse',
                    icon: 'fh_ellipse'
                },

                {
                    sel:'#tool_path',
                    fn: clickPath,
                    evt: 'click',
                    key: 6
                },

                {
                    sel:'#tool_text',
                    fn: clickText,
                    evt: 'click',
                    key: 7
                },

                {
                    sel:'#tool_image',
                    fn: clickImage,
                    evt: 'mouseup',
                    key: 8
                },

                {
                    sel:'#tool_zoom',
                    fn: clickZoom,
                    evt: 'mouseup',
                    key: 9
                },

                {
                    sel:'#tool_clear',
                    fn: clickClear,
                    evt: 'mouseup',
                    key: [modKey+'N', true]
                    },

                    {
                    sel:'#tool_save',
                    fn: function() {
                        editingsource?saveSourceEditor():clickSave()
                        },
                    evt: 'mouseup',
                    key: [modKey+'S', true]
                    },

                    {
                    sel:'#tool_export',
                    fn: clickExport,
                    evt: 'mouseup'
                },

                {
                    sel:'#tool_open',
                    fn: clickOpen,
                    evt: 'mouseup',
                    key: [modKey+'O', true]
                    },

                    {
                    sel:'#tool_import',
                    fn: clickImport,
                    evt: 'mouseup'
                },

                {
                    sel:'#tool_source',
                    fn: showSourceEditor,
                    evt: 'click',
                    key: ['U', true]
                    },

                    {
                    sel:'#tool_wireframe',
                    fn: clickWireframe,
                    evt: 'click',
                    key: ['F', true]
                    },

                    {
                    sel:'#tool_source_cancel,#svg_source_overlay,#tool_docprops_cancel',
                    fn: cancelOverlays,
                    evt: 'click',
                    key: ['esc', false, false],
                    hidekey: true
                },

                {
                    sel:'#tool_source_save',
                    fn: saveSourceEditor,
                    evt: 'click'
                },

                {
                    sel:'#tool_docprops_save',
                    fn: saveDocProperties,
                    evt: 'click'
                },

                {
                    sel:'#tool_docprops',
                    fn: showDocProperties,
                    evt: 'mouseup',
                    key: ['P', true]
                    },

                    {
                    sel:'#tool_delete,#tool_delete_multi',
                    fn: deleteSelected,
                    evt: 'click',
                    key: ['del/backspace', true]
                    },

                    {
                    sel:'#tool_reorient',
                    fn: reorientPath,
                    evt: 'click'
                },

                {
                    sel:'#tool_node_link',
                    fn: linkControlPoints,
                    evt: 'click'
                },

                {
                    sel:'#tool_node_clone',
                    fn: clonePathNode,
                    evt: 'click'
                },

                {
                    sel:'#tool_node_delete',
                    fn: deletePathNode,
                    evt: 'click'
                },

                {
                    sel:'#tool_openclose_path',
                    fn: opencloseSubPath,
                    evt: 'click'
                },

                {
                    sel:'#tool_add_subpath',
                    fn: addSubPath,
                    evt: 'click'
                },

                {
                    sel:'#tool_move_top',
                    fn: moveToTopSelected,
                    evt: 'click',
                    key: 'shift+up'
                },

                {
                    sel:'#tool_move_bottom',
                    fn: moveToBottomSelected,
                    evt: 'click',
                    key: 'shift+down'
                },

                {
                    sel:'#tool_topath',
                    fn: convertToPath,
                    evt: 'click'
                },

                {
                    sel:'#tool_undo',
                    fn: clickUndo,
                    evt: 'click',
                    key: [modKey+'Z', true]
                    },

                    {
                    sel:'#tool_redo',
                    fn: clickRedo,
                    evt: 'click',
                    key: [modKey+'Y', true]
                    },

                    {
                    sel:'#tool_clone,#tool_clone_multi',
                    fn: clickClone,
                    evt: 'click',
                    key: [modKey+'C', true]
                    },

                    {
                    sel:'#tool_group',
                    fn: clickGroup,
                    evt: 'click',
                    key: [modKey+'G', true]
                    },

                    {
                    sel:'#tool_ungroup',
                    fn: clickGroup,
                    evt: 'click'
                },

                {
                    sel:'[id^=tool_align]',
                    fn: clickAlign,
                    evt: 'click'
                },

                // these two lines are required to make Opera work properly with the flyout mechanism

                // 			{sel:'#tools_rect_show', fn: clickRect, evt: 'click'},

                // 			{sel:'#tools_ellipse_show', fn: clickEllipse, evt: 'click'},

                {
                    sel:'#tool_bold',
                    fn: clickBold,
                    evt: 'mousedown'
                },

                {
                    sel:'#tool_italic',
                    fn: clickItalic,
                    evt: 'mousedown'
                },

                {
                    sel:'#sidepanel_handle',
                    fn: toggleSidePanel,
                    key: [modKey+'X']
                    },
					

                    // Shortcuts not associated with buttons

                    {
                    key: 'shift+left',
                    fn: function(){
                        rotateSelected(0)
                        }
                    },

                    {
                key: 'shift+right',
                fn: function(){
                    rotateSelected(1)
                    }
                },

                {
            key: 'shift+O',
            fn: selectPrev
        },

        {
            key: 'shift+P',
            fn: selectNext
        },

        {
            key: ['ctrl+up', true],
            fn: function(){
                zoomImage(2);
            }
        },

        {
        key: ['ctrl+down', true],
        fn: function(){
            zoomImage(.5);
        }
    },

    {
        key: ['up', true],
        fn: function(){
            moveSelected(0,-1);
        }
    },
{
    key: ['down', true],
    fn: function(){
        moveSelected(0,1);
    }
},
{
    key: ['left', true],
    fn: function(){
        moveSelected(-1,0);
    }
},
{
    key: ['right', true],
    fn: function(){
        moveSelected(1,0);
    }
},
{
    key: 'A',
    fn: function(){
        svgCanvas.selectAllInCurrentLayer();
    }
}
];
				
// Tooltips not directly associated with a single function
var key_assocs = {
    '4/Shift+4': '#tools_rect_show',
    '5/Shift+5': '#tools_ellipse_show'
};
			
return {
    setAll: function() {
        var flyouts = {};
						
        $.each(tool_buttons, function(i, opts)  {
            // Bind function to button
            if(opts.sel) {
                var btn = $(opts.sel);
                if(opts.evt) {
                    btn[opts.evt](opts.fn);
                }
		
                // Add to parent flyout menu
                if(opts.parent) {
                    var f_h = $(opts.parent);
                    if(!f_h.length) {
                        f_h = makeFlyoutHolder(opts.parent.substr(1));
                    }
									
                    f_h.append(btn);
									
                    if(!$.isArray(flyouts[opts.parent])) {
                        flyouts[opts.parent] = [];
                    }
                    flyouts[opts.parent].push(opts);
                }
            }
							
							
            // Bind function to shortcut key
            if(opts.key) {
                // Set shortcut based on options
                var keyval, shortcut = '', disInInp = true, fn = opts.fn, pd = false;
                if($.isArray(opts.key)) {
                    keyval = opts.key[0];
                    if(opts.key.length > 1) pd = opts.key[1];
                    if(opts.key.length > 2) disInInp = opts.key[2];
                } else {
                    keyval = opts.key;
                }
                keyval += '';
								
                $.each(keyval.split('/'), function(i, key) {
                    $(document).bind('keydown', key, function(e) {
                        fn();
                        if(pd) {
                            e.preventDefault();
                        }
                        // Prevent default on ALL keys?
                        return false;
                    });
                });
								
                // Put shortcut in title
                if(opts.sel && !opts.hidekey) {
                    var new_title = btn.attr('title').split('[')[0] + '[' + keyval + ']';
                    key_assocs[keyval] = opts.sel;
                    // Disregard for menu items
                    if(!btn.parents('#main_menu').length) {
                        btn.attr('title', new_title);
                    }
                }
            }
        });
						
        // Setup flyouts
        setupFlyouts(flyouts);
						
						
        // Misc additional actions
						
        // Make "return" keypress trigger the change event
        $('.attr_changer, #image_url').bind('keydown', 'return',
            function(evt) {
                $(this).change();
                evt.preventDefault();
            }
            );
						
        $('#tool_zoom').dblclick(dblclickZoom);
    },
    setTitles: function() {
        $.each(key_assocs, function(keyval, sel)  {
            var menu = ($(sel).parents('#main_menu').length);
						
            $(sel).each(function() {
                if(menu) {
                    var t = $(this).text().split(' [')[0];
                } else {
                    var t = this.title.split(' [')[0];
                }
                var key_str = '';
                // Shift+Up
                $.each(keyval.split('/'), function(i, key) {
                    var mod_bits = key.split('+'), mod = '';
                    if(mod_bits.length > 1) {
                        mod = mod_bits[0] + '+';
                        key = mod_bits[1];
                    }
                    key_str += (i?'/':'') + mod + (uiStrings['key_'+key] || key);
                });
                if(menu) {
                    this.lastChild.textContent = t +' ['+key_str+']';
                } else {
                    this.title = t +' ['+key_str+']';
                }
            });
        });
    },
    getButtonData: function(sel) {
        var b;
        $.each(tool_buttons, function(i, btn) {
            if(btn.sel === sel) b = btn;
        });
        return b;
    }
};
}();
			
Actions.setAll();
			
// Select given tool
Editor.ready(function() {
    var itool = curConfig.initTool,
    container = $("#tools_left, #svg_editor .tools_flyout"),
    pre_tool = container.find("#tool_" + itool),
    reg_tool = container.find("#" + itool);
    if(pre_tool.length) {
        tool = pre_tool;
    } else if(reg_tool.length){
        tool = reg_tool;
    } else {
        tool = $("#tool_select");
    }
    tool.click().mouseup();
				
    if(curConfig.wireframe) {
        $('#tool_wireframe').click();
    }
				
    if(curConfig.showlayers) {
        toggleSidePanel();
    }
});
			
$('#rect_rx').SpinButton({
    min: 0,
    max: 1000,
    step: 1,
    callback: changeRectRadius
});
$('#stroke_width').SpinButton({
    min: 0,
    max: 99,
    step: 1,
    smallStep: 0.1,
    callback: changeStrokeWidth
});
$('#angle').SpinButton({
    min: -180,
    max: 180,
    step: 5,
    callback: changeRotationAngle
});
$('#font_size').SpinButton({
    step: 1,
    min: 0.001,
    stepfunc: stepFontSize,
    callback: changeFontSize
});
$('#group_opacity').SpinButton({
    step: 5,
    min: 0,
    max: 100,
    callback: changeOpacity
});
$('#blur').SpinButton({
    step: .1,
    min: 0,
    max: 10,
    callback: changeBlur
});
$('#zoom').SpinButton({
    min: 0.001,
    max: 10000,
    step: 50,
    stepfunc: stepZoom,
    callback: changeZoom
});
			
window.onbeforeunload = function() { 
    // Suppress warning if page is empty
    if(undoMgr.getUndoStackSize() === 0) {
        show_save_warning = false;
    }

    // show_save_warning is set to "false" when the page is saved.
    if(!curConfig.no_save_warning && show_save_warning) {
        // Browser already asks question about closing the page
        return "There are unsaved changes.";
    }
};
			
Editor.openPrep = function(func) {
    $('#main_menu').hide();
    if(undoMgr.getUndoStackSize() === 0) {
        func(true);
    } else {
        $.confirm(uiStrings.QwantToOpen, func);
    }
}
			
// use HTML5 File API: http://www.w3.org/TR/FileAPI/
// if browser has HTML5 File API support, then we will show the open menu item
// and provide a file input to click.  When that change event fires, it will
// get the text contents of the file and send it to the canvas
if (window.FileReader) {
    var inp = $('<input type="file">').change(function() {
        var f = this;
        Editor.openPrep(function(ok) {
            if(!ok) return;
            svgCanvas.clear();
            if(f.files.length==1) {
                var reader = new FileReader();
                reader.onloadend = function(e) {
                    var data = e.target.result;
                    data = prepareSvg(data);
                    saveHeader(data);
                    svgCanvas.importSvgString(data);
							
                    updateCanvas();
                };
                reader.readAsText(f.files[0]);
            }
        });
    });
    $("#tool_open").show().prepend(inp);
    var inp2 = $('<input type="file">').change(function() {
        console.log("variant 2");
        $('#main_menu').hide();
        if(this.files.length==1) {
            var reader = new FileReader();
            reader.onloadend = function(e) {
                var data = e.target.result;
                data = prepareSvg(data);
                saveHeader(data);
                svgCanvas.importSvgString(data);
                updateCanvas();
            };
            reader.readAsText(this.files[0]);
        }
    });
    $("#tool_import").show().prepend(inp2);
}
			
var updateCanvas = Editor.updateCanvas = function(center, new_ctr) {
    var w = workarea.width(), h = workarea.height();
    var w_orig = w, h_orig = h;
    var zoom = svgCanvas.getZoom();
    var w_area = workarea;
    var cnvs = $("#svgcanvas");
				
    var old_ctr = {
        x: w_area[0].scrollLeft + w_orig/2,
        y: w_area[0].scrollTop + h_orig/2
    };
				
    var multi = curConfig.canvas_expansion;
    w = Math.max(w_orig, svgCanvas.contentW * zoom * multi);
    h = Math.max(h_orig, svgCanvas.contentH * zoom * multi);
				
    if(w == w_orig && h == h_orig) {
        workarea.css('overflow','hidden');
    } else {
        workarea.css('overflow','scroll');
    }
				
    var old_can_y = cnvs.height()/2;
    var old_can_x = cnvs.width()/2;
    cnvs.width(w).height(h);
    var new_can_y = h/2;
    var new_can_x = w/2;
    var offset = svgCanvas.updateCanvas(w, h);
				
    var ratio = new_can_x / old_can_x;
		
    var scroll_x = w/2 - w_orig/2;
    var scroll_y = h/2 - h_orig/2;
				
    if(!new_ctr) {
		
        var old_dist_x = old_ctr.x - old_can_x;
        var new_x = new_can_x + old_dist_x * ratio;
		
        var old_dist_y = old_ctr.y - old_can_y;
        var new_y = new_can_y + old_dist_y * ratio;
		
        new_ctr = {
            x: new_x,
            y: new_y
        };
					
    } else {
        new_ctr.x += offset.x,
        new_ctr.y += offset.y;
    }
				
    if(center) {
        w_area[0].scrollLeft = scroll_x;
        w_area[0].scrollTop = scroll_y;
    } else {
        w_area[0].scrollLeft = new_ctr.x - w_orig/2;
        w_area[0].scrollTop = new_ctr.y - h_orig/2;
    }
}
		
// 			$(function() {
updateCanvas(true);
// 			});
			
//	var revnums = "svg-editor.js ($Rev: 1738 $) ";
//	revnums += svgCanvas.getVersion();
//	$('#copyright')[0].setAttribute("title", revnums);
		
var good_langs = [];

$('#lang_select option').each(function() {
    good_langs.push(this.value);
});
			
// 			var lang = ('lang' in curPrefs) ? curPrefs.lang : null;
Editor.putLocale(null, good_langs);
			
try{
    json_encode = function(obj){
        //simple partial JSON encoder implementation
        if(window.JSON && JSON.stringify) return JSON.stringify(obj);
        var enc = arguments.callee; //for purposes of recursion
        if(typeof obj == "boolean" || typeof obj == "number"){
            return obj+'' //should work...
        }else if(typeof obj == "string"){
            //a large portion of this is stolen from Douglas Crockford's json2.js
            return '"'+
            obj.replace(
                /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g
                , function (a) {
                    return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                })
            +'"'; //note that this isn't quite as purtyful as the usualness
        }else if(obj.length){ //simple hackish test for arrayish-ness
            for(var i = 0; i < obj.length; i++){
                obj[i] = enc(obj[i]); //encode every sub-thingy on top
            }
            return "["+obj.join(",")+"]";
        }else{
            var pairs = []; //pairs will be stored here
            for(var k in obj){ //loop through thingys
                pairs.push(enc(k)+":"+enc(obj[k])); //key: value
            }
            return "{"+pairs.join(",")+"}" //wrap in the braces
        }
    }
    window.addEventListener("message", function(e){
        var cbid = parseInt(e.data.substr(0, e.data.indexOf(";")));
        try{
            e.source.postMessage("SVGe"+cbid+";"+json_encode(eval(e.data)), e.origin);
        }catch(err){
            e.source.postMessage("SVGe"+cbid+";error:"+err.message, e.origin);
        }
    }, false)
}catch(err){
    window.embed_error = err;
}
			
		
		
// For Compatibility with older extensions
$(function() {
    window.svgCanvas = svgCanvas;
    svgCanvas.ready = svgEditor.ready;
});
		
		
Editor.setLang = function(lang, strings) {
    $.pref('lang', lang);
    $('#lang_select').val(lang);
    if(strings) {
        // $.extend will only replace the given strings
        var oldLayerName = $('#layerlist tr.layersel td.layername').text();
        var rename_layer = (oldLayerName == uiStrings.layer + ' 1');
					
        $.extend(uiStrings,strings);
        svgCanvas.setUiStrings(strings);
        Actions.setTitles();
					
        if(rename_layer) {
            svgCanvas.renameCurrentLayer(uiStrings.layer + ' 1');
            populateLayers();
        }
					
        svgCanvas.runExtensions("langChanged", lang);
					
        // Update flyout tooltips
        setFlyoutTitles();
					
        // Copy title for certain tool elements
        var elems = {
            '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',
            '#fill_color': '#tool_fill label, #tool_fill .color_block',
            '#linejoin_miter': '#cur_linejoin',
            '#linecap_butt': '#cur_linecap'
        }
					
        $.each(elems, function(source, dest) {
            $(dest).attr('title', $(source)[0].title);
        });
					
        // Copy alignment titles
        $('#multiselected_panel div[id^=tool_align]').each(function() {
            $('#tool_pos' + this.id.substr(10))[0].title = this.title;
        });
					
    }
};
};
		
var callbacks = [];
		
Editor.ready = function(cb) {
    if(!is_ready) {
        callbacks.push(cb);
    } else {
        cb();
    }
};

Editor.runCallbacks = function() {
    $.each(callbacks, function() {
        this();
    });
    is_ready = true;
};
		
Editor.loadFromString = function(str) {
    Editor.ready(function() {
        svgCanvas.setSvgString(str);
    });
};
		
Editor.loadFromURL = function(url) {
    Editor.ready(function() {
        $.ajax({
            'url': url,
            'dataType': 'text',
            success: svgCanvas.setSvgString,
            error: function(xhr, stat, err) {
                if(xhr.responseText) {
                    svgCanvas.setSvgString(xhr.responseText);
                } else {
                    $.alert("Unable to load from URL. Error: \n"+err+'');
                }
            }
        });
    });
};
		
Editor.loadFromDataURI = function(str) {
    Editor.ready(function() {
        svgCanvas.setSvgString(str);
        var pre = 'data:image/svg+xml;base64,';
        var src = str.substring(pre.length);
        svgCanvas.setSvgString(Utils.decode64(src));
    });
};
		
Editor.addExtension = function() {
    var args = arguments;
    $(function() {
        svgCanvas.addExtension.apply(this, args);
    });
};

return Editor;
}(jQuery);
	
// Run init once DOM is loaded
$(svgEditor.init);
	
})();

// ?iconsize=s&bkgd_color=555

// svgEditor.setConfig({
// // 	imgPath: 'foo',
// 	dimensions: [800, 600],
// 	canvas_expansion: 5,
// 	initStroke: {
// 		color: '0000FF',
// 		width: 3.5,
// 		opacity: .5
// 	},
// 	initFill: {
// 		color: '550000',
// 		opacity: .75
// 	},
// 	extensions: ['ext-helloworld.js']
// })
